英语词源字典 - 在线词源网站

abstain: abstain: [14] The literal meaning of this word’s ultimate source, Latin abstinēre, was ‘hold or keep away’, and hence ‘withhold’ (the root verb, tenēre, produced many other derivatives in English, such as contain, maintain, obtain, and retain, as well as tenacious, tenant, tenement, tenet, tenor, and tenure).

That is how it was used when it was first introduced into English (via Old French abstenir), and it was not until the 16th century that it began to be used more specifically for refraining from pleasurable activities, particularly the drinking of alcohol. The past participial stem of the Latin verb, abstent-, gave us abstention, while the present participial stem, abstinent-, produced abstinent and abstinence.

There is no connection, incidentally, with the semantically similar abstemious, which comes from a Latin word for alcoholic drink, tēmōtum.
along: along: [OE] The a- in along is related to the prefix anti-, and the original notion contained in the word is of ‘extending a long way in the opposite direction’. This was the force of Old English andlang, a compound formed from and- ‘against, facing’ (whose original source was Greek anti- ‘against’) and lang ‘long’. The meaning gradually changed via simply ‘extending a long way’, through ‘continuous’ and ‘the whole length of something’ to ‘lengthwise’.

At the same time the and- prefix was gradually losing its identity: by the 10th century the forms anlong and onlong were becoming established, and the 14th century saw the beginnings of modern English along. But there is another along entirely, nowadays dialectal. Used in the phrase along of ‘with’ (as in ‘Come along o’me!’), it derives from Old English gelong ‘pertaining, dependent’.

This was a compound formed from the prefix ge-, suggesting suitability, and long, of which the notions of ‘pertaining’ and ‘appropriateness’ are preserved in modern English belong.
=> long
Alsatian: Alsatian: [17] Alsatian has been around since at least the late 17th century (although in early use it generally denoted not the Franco-German border province of Alsace but a no-go area in London, near the banks of the Thames, where criminals, vagabonds and prostitutes hung out, which was nicknamed ‘Alsatia’ because of the real Alsace’s reputation as a harbour for the disaffected).

It really came into its own, however, during World War I. A breed of dog known as the ‘German sheepdog’ or ‘German shepherd dog’ (German deutscher Schäferhund) had been introduced into Britain, but understandably, between 1914 and 1918 its stock fell considerably. When it was reintroduced after the war it was thought politic to give it a less inflammatory name, so it became officially the ‘Alsatian wolf-dog’ (even though it has nothing to do with Alsace, and there is no element of wolf in its genetic make-up).

It continued to be called the German shepherd in the USA, and in the latter part of the 20th century that usage crept back into Britain.
amuse: amuse: [15] Amuse is probably a French creation, formed with the prefix a- from the verb muser (from which English gets muse ‘ponder’ [14]). The current meaning ‘divert, entertain’ did not begin to emerge until the 17th century, and even so the commonest application of the verb in the 17th and 18th centuries was ‘deceive, cheat’. This seems to have developed from an earlier ‘bewilder, puzzle’, pointing back to an original sense ‘make someone stare open-mouthed’.

This links with the probable source of muser, namely muse ‘animal’s mouth’, from medieval Latin mūsum (which gave English muzzle [15]). There is no connection with the inspirational muse, responsible for music and museums.
=> muse, muzzle
arse: arse: [OE] Arse is a word of considerable antiquity, and its relatives are found practically from end to end of the geographical range of the Indo-European language family, from Old Irish err ‘tail’ in the west to Armenian or ‘rump’. Its Indo-European source was *órsos, which produced the Germanic form *arsaz: hence German arsch, Dutch aars, and, via Old English ærs, English arse.

The euphemistic American spelling ass appears to be as recent as the 1930s, although there is one isolated (British) record of it from 1860. The term wheatear, for a thrushlike European bird, is an alteration over time of a Middle English epithet ‘white arse’, after its white rump feathers.
axe: axe: [OE] Relatives of the word axe are widespread throughout the Indo-European languages, from German axt and Dutch aaks to Latin ascia and Greek axínē. These point back to a hypothetical Indo-European *agwesī or *akusī, which denoted some sort of cutting or hewing tool. The Old English form was æx, and there is actually no historical justification for the modern British spelling axe, which first appeared in the late 14th century; as late as 1885 the Oxford English Dictionary made ax its main form, and it remains so in the USA.
ballyhoo: ballyhoo: [20] Ballyhoo remains an etymological mystery, but there is no shortage of suggested candidates as its source: an Irish village called Ballyhooly; an old nautical slang word ballyhoo meaning ‘unseaworthy vessel’, which seems to have been an anglicization of Spanish balahú ‘schooner’; and the bizarre late- 19th-century ballyhoo bird, a fake bird made of wood and cardboard and intended to fool a birdhunter. None of them, alas, seems remotely relevant to ballyhoo’s original American sense, ‘barker’s patter outside a circus tent, to encourage people to enter’.
basket: basket: [13] Basket is something of a mystery word. It turns up in the 13th century in Old French and Anglo-Norman as basket and in Anglo-Latin as baskettum, but how it got there is far from clear. Some have suggested that Latin bascauda ‘washing tub’, said by the Roman writer Martial to be of British origin (and thought by some etymologists to be possibly of Celtic origin), may be connected with it in some way, but no conclusive proof of this has ever been found.
beetle: beetle: English has three separate words beetle. The commonest, beetle the insect, comes from Old English bitula, which was a derivative of the verb bītan ‘bite’: beetle hence means etymologically ‘the biter’. Beetle ‘hammer’, now largely restricted to various technical contexts, is also Old English: the earliest English form, bētel, goes back to a prehistoric Germanic *bautilaz, a derivative of the verb *bautan, from which English gets beat (the cognate Old Norse beytill meant ‘penis’).

The adjective beetle [14], as in ‘beetle brows’, and its related verb are of unknown origin, although it has been speculated that there is some connection with the tufted antennae of certain species of beetle, which may suggest eyebrows.
=> bite; beat
blunderbus: blunderbus: [17] Blunderbus was originally Dutch donderbus (literally ‘thundergun’), and its transformation is due to folk etymology: the unfamiliar donder was replaced by the English word blunder, perhaps with some reference to the fact that, with its wide muzzle, it is capable only of fairly random firing. The second part of the word (which also occurs in arquebus) is ultimately related to box, Dutch bus or buis being not just a ‘box’ but also a ‘tube’, and hence a ‘gun’. There is no connection with the 20thcentury thunderbox, a colloquial term for a ‘portable loo’.
bore: bore: Bore ‘make a hole’ [OE] and bore ‘be tiresome’ [18] are almost certainly two distinct words. The former comes ultimately from an Indo-European base *bhor-, *bhr-, which produced Latin forāre ‘bore’ (whence English foramen ‘small anatomical opening’), Greek phárynx, and prehistoric Germanic *borōn, from which we get bore (and German gets bohren). Bore connoting ‘tiresomeness’ suddenly appears on the scene as a sort of buzzword of the 1760s, from no known source; the explanation most commonly offered for its origin is that it is a figurative application of bore in the sense ‘pierce someone with ennui’, but that is not terribly convincing.

In its early noun use it meant what we would now call a ‘fit of boredom’. There is one other, rather rare English word bore – meaning ‘tidal wave in an estuary or river’ [17]. It may have come from Old Norse bára ‘wave’.
=> perforate, pharynx
bounce: bounce: [13] Bounce is something of a mystery word. When it first appears in Middle English it means ‘hit’, and it does not acquire its modern sense ‘rebound’ until the late 16th century. There are similar words in other Germanic languages, such as Dutch bons ‘thump’, but there is no reason to suppose that any of them is actually the source of the English word. Many etymologists incline to the view that bounce is an independent onomatopoeic formation.
brain: brain: [OE] Old English brægen came from a Germanic *bragnam. Its rather restricted distribution in modern Germanic languages (apart from English brain there is only Dutch and Frisian brein) suggests that in prehistoric times it may have been limited to the area of North Germany where the Low German dialects were spoken, but it may well have some connection with Greek brekhmós ‘forehead’.
bramble: bramble: [OE] Bramble has several cognates in other Germanic languages, but as with many plant-names it does not always refer to the same plant. Old High German brāmma, for instance, is a ‘wild rose’; Old Saxon hiopbrāmio is a ‘hawthorn bush’; and then there is English broom. All come from a prehistoric Germanic *brāemoz ‘thorny bush’. In the case of bramble, Old English originally had brēmel, but the medial -b- had developed before the end of the Old English period. The bird-name brambling [16] is probably derived from it.
=> broom
brittle: brittle: [14] Brittle probably comes from a Germanic stem *brut- ‘break’, which had several descendants in Old English (including the verbs brēotan and gebryttan ‘break’) that did not survive the Norman Conquest. It came in a more than usual profusion of spellings in Middle English (bretil, brutil, etc), not all of which may be the same word; brottle, for instance, current from the 14th to the 16th century, may well have come from the aforementioned Old English brēotan. There is also the synonymous brickle [15], which survived dialectally into the 20th century; this is related ultimately to break.
brothel: brothel: [14] Originally, brothel was a general term of abuse for any worthless or despised person (John Gower, in his Confessio Amantis 1393, writes: ‘Quoth Achab then, there is one, a brothel, which Micheas hight [who is called Micheas]’); it was a derivative of the Old English adjective brothen ‘ruined, degenerate’, which was originally the past participle of the verb brēothan ‘deteriorate’ (possibly a relative of brēotan ‘break’, which may be connected with brittle).

In the late 15th century we have the first evidence of its being applied specifically to a ‘prostitute’. Thence came the compound brothel-house, and by the late 16th century this had been abbreviated to brothel in its current sense.
bubble: bubble: [14] Several Germanic languages have words that sound like, and mean the same as, bubble – Swedish bubla, for instance, and Dutch bobbel – but all are relatively modern, and there is no evidence to link them to a common source. As likely as not, the whole family of bubble words represents ultimately an attempt to lexicalize the sound of bubbling, by blowing through nearly closed lips.
bulge: bulge: [13] Etymologically, bulge and budget are the same word, and indeed when English first acquired bulge it was as a noun, with, like budget, the sense ‘pouch’. It came from Old French bouge ‘leather bag’, a descendant of Latin bulga, which may have been of Gaulish origin (medieval Irish bolg ‘bag’ has been compared). The word’s present-day connotations of ‘swelling’ and ‘protruding’ presumably go back to an early association of ‘pouches’ with ‘swelling up when filled’ (compare the case of bellows and belly, which originally meant ‘bag’, and came from a source which meant ‘swell’), but curiously, apart from an isolated instance around 1400 when bulge is used for a ‘hump on someone’s back’, there is no evidence for this meaning in English before the 17th century.

Additionally, from the 17th to the 19th centuries bulge was used for the ‘bottom of a ship’s hull’; it has now been superseded in this sense by bilge [15], which may well be a variant form.
=> bilge, budget
bull: bull: There are three distinct words bull in English. The oldest is the animal name, which first appears in late Old English as bula. Related forms occur in other Germanic languages, including German bulle and Dutch bul. The diminutive bullock is also recorded in late Old English. The second bull is ‘edict’ [13], as in ‘papal bull’. This comes from medieval Latin bulla ‘sealed document’, a development of an earlier sense ‘seal’, which can be traced back to classical Latin bulla ‘bubble’ (source also of English bowl, as in the game of bowls; of boil ‘heat liquid’; of budge [16], via Old French bouger and Vulgar Latin *bullicāre ‘bubble up, boil’; and probably of bill ‘statement of charges’).

And finally there is ‘ludicrous or selfcontradictory statement’ [17], usually now in the phrase Irish bull, whose origins are mysterious; there may be a connection with the Middle English noun bul ‘falsehood’ and the 15th-to 17th-century verb bull ‘mock, cheat’, which has been linked with Old French boler or bouller ‘deceive’. The source of the modern colloquial senses ‘nonsense’ and ‘excessive discipline’ is not clear.

Both are early 20th-century, and closely associated with the synonymous and contemporary bullshit, suggesting a conscious link with bull the animal. In meaning, however, the first at least is closer to bull ‘ludicrous statement’. Bull’s-eye ‘centre of a target’ and ‘large sweet’ are both early 19th-century. Bulldoze is from 1870s America, and was apparently originally applied to the punishment of recalcitrant black slaves; it has been conjectured that the underlying connotation was of ‘giving someone a dose fit for a bull’.

The term bulldozer was applied to the vehicle in the 1930s.
=> phallic; bill, bowl, budge
bundle: bundle: [14] Etymologically, bundle is ‘that which binds or is bound’. Like band, bend, bind, and bond, it can be traced back ultimately to an Indo-European base *bhendh- ‘tie’. The Germanic base *bund-, derived from this, produced Old English byndelle ‘binding’. There is no direct evidence to link this with the much later bundle, although the similarities are striking. Alternatively, the source may be the related Middle Dutch bundel ‘collection of things tied together’.
=> band, bend, bind, bond
bush: bush: [13] Bush comes ultimately from a prehistoric Germanic *busk-, which also produced German busch ‘bush’. There is no actual record of the word in Old English, but it probably existed as *bysc. The Germanic base was also borrowed into the Romance languages, where in French it eventually produced bois ‘wood’. A diminutive form of this gave English bouquet [18], while a variant bosc may have been at least partly responsible for the now archaic English bosky ‘wooded’ [16]. A derived Vulgar Latin verb *imboscāre gave English ambush.
=> ambush, bouquet, oboe
calibre: calibre: [16] Calibre, and the related calliper, are of Arabic origin. They come ultimately from Arabic qālib ‘shoemaker’s last, mould’ (there is some dispute over the source of this: some etymologists simply derive it from the Arabic verb qalaba ‘turn, convert’, while others trace it back to Greek kalapoús, literally ‘wooden foot’, a compound formed from kalon ‘wood’, originally ‘firewood’, a derivative of kaiein ‘burn’, and poús ‘foot’).

English acquired the Arabic word via Italian calibro and French calibre. The original Western meaning, ‘diameter of a bullet, cannon-ball, etc’, derives from the Arabic sense ‘mould for casting metal’. Calliper [16], which originally meant ‘instrument for measuring diameters’, is generally taken to be an alteration of calibre.
=> calliper
cattle: cattle: [13] Ultimately, cattle is the same word as chattel [13], and when it first entered English it had the same meaning, ‘property’. From earliest times, however, it was applied specifically to livestock thought of as property. In the Middle Ages it was a wide-ranging term in animal husbandry, being used for horses, sheep, pigs, and even poultry and bees, as well as cows, and such usages survived dialectally until comparatively recently, but from the mid 16th century onwards there is increasing evidence of the word’s being restricted solely to cows.

Its ultimate source is medieval Latin capitāle ‘property’, which came to English via Old French chatel as chattel and via Anglo-Norman catel as cattle. Capitāle itself goes back to classical Latin capitālis (from caput ‘head’), from which English gets capital.
=> capital, chattel
chip: chip: [OE] Old English cipp meant ‘share-beam of a plough’ (a sense paralleled in related forms in other Germanic languages, such as Dutch kip ‘plough-beam’ and Old Norse keppr ‘stick’). This seems a far cry from the modern use of chip, for which there is no evidence before the 14th century, and in fact our noun chip may be a new formation based on the verb chip, which goes back to Old English -cippian ‘cut’ (found only in compounds).

Here again, though, the record is incomplete; for the post-Old English verb does not turn up until the late 15th century, and then in the very specialized sense ‘cut the crust off bread’. The more general meaning ‘cut’ appears in the 17th century, but the modern ‘break off a small fragment’ is as late as the 18th century. All in all, a picture confused by lack of evidence. But probably the basic etymological sense that underlies all later usage is ‘cut off’ or ‘piece cut off’ (the early noun senses representing ‘branch or bough cut off a tree’). ‘Small piece of fried potato’ dates from the 1860s. (Old French borrowed the word as chipe, and a variant of this, chiffe ‘rag’, is the ultimate source of English chiffon [18].)
=> chiffon
chock-full: chock-full: [14] There is more than one theory to account for this word. It occurs in a couple of isolated instances around 1400, as chokkefulle and chekeful, prompting speculation that the first element may be either chock ‘wooden block’, which came from an assumed Old Northern French *choque (thus ‘stuffed full with lumps of wood’) or cheek (thus ‘full up as far as the cheeks’). It resurfaces in the 17th century as choke-ful, which has given rise to the idea that it may originally have meant ‘so full as to choke’. The available evidence seems too scanty to come to a firm conclusion.
choke: choke: [14] Etymologically, to choke is to cut off air by constricting the ‘cheeks’, for it is a derivative of cēoce, the Old English word for ‘cheek’. There is actually such a verb recorded, just once, from Old English: the compound ācēocian, with the intensive prefix ā-; so probably the simple verb existed too, though evidence for it has not survived.

The noun sense ‘valve controlling the flow of air to an engine’ dates from the 1920s, but it was a natural development from an earlier (18th-century), more general sense ‘constriction in a tube’; its parallelism with throttle, both being applied to constriction of the air passage and hence to control valves in an engine tube, is striking. (The choke of artichoke has no etymological connection with choke ‘deprive of air’.)
clam: clam: [OE] Old English clam meant ‘something for tying up or fastening, fetter’; it can be traced back to a prehistoric Germanic base *klam-, which also produced clamp [14] and is related to climb. There is a gap in the word’s history in early Middle English times, but it reappears at the end of the 14th century in the sense ‘clamp’, and in the 16th century it was applied, originally in Scotland, to the mollusc which now bears the name, apparently on the grounds that its two shells close like the jaws of a clamp or vice.
=> clamp, climb
clever: clever: [13] Clever is rather a mystery word. There is one isolated instance of what appears to be the word in an early 13th-century bestiary, where it means ‘dextrous’, and the connotations of ‘clutching something’ have led to speculation that it may be connected with claw. It does not appear on the scene again until the late 16th century, when its associations with ‘agility’ and ‘sprightliness’ may point to a link with Middle Dutch klever, of similar meaning. The modern sense ‘intelligent’ did not develop until the 18th century.
cock: cock: [OE] The word cock is probably ultimately of onomatopoeic origin, imitative of the male fowl’s call (like the lengthier English cock-adoodle- doo [16], French coquerico, and German kikeriki). Beyond that it is difficult to go with any certainty; it reflects similar words in other languages, such as medieval Latin coccus and Old Norse kokkr, but which if any the English word was borrowed from is not clear.

It has been suggested that it goes back to a Germanic base *kuk-, of which a variant was the source of chicken, but typical Old English spellings, such as kok and kokke, suggest that it may have been a foreign borrowing rather than a native Germanic word – perhaps pointing to Germanic coccus. The origin of the interconnected set of senses ‘spout, tap’, ‘hammer of a firearm’, and ‘penis’ is not known; it is possible that it represents an entirely different word, but the fact that German hahn ‘hen’ has the same meanings suggests otherwise.

Of derived words, cocker [19], as in ‘cocker spaniel’, comes from cocking, the sport of shooting woodcock, and cocky [18] is probably based on the notion of the cock as a spirited or swaggering bird, lording it over his hens (there may well be some connection with cock ‘penis’, too, for there is an isolated record of cocky meaning ‘lecherous’ in the 16th century). Cockerel [15] was originally a diminutive form.
=> chicken, cocky
coil: coil: [16] Ultimately, coil, cull, and collect are the same word. All come from Latin colligere ‘gather together’. Its past participial stem produced collect, but the infinitive form passed into Old French as coillir, culler, etc, and thence into English. In the case of coil, its original general sense ‘gather, collect’ (of which there is no trace in English) was specialized, no doubt originally in nautical use, to the gathering up of ropes into tidy shapes (concentric rings) for stowage.
=> collect, cull
cony: cony: [13] The rabbit was not originally native to northern Europe, so there is no Germanic word for it. Cony was introduced into English (originally in the sense ‘rabbit fur’, not until a century later for the animal itself) from Anglo- Norman conis, which was the plural of conil. This in turn came from Latin cunīculus, which is thought to have been borrowed from an ancient language of Spain or Portugal. The word rabbit was introduced in the 14th century, originally denoting the ‘young of a rabbit’, but gradually replacing cony as the general term for the animal.
corduroy: corduroy: [18] Popular etymology usually associates corduroy with a supposed French corde du roy ‘cord of the king’ or even couleur du roy ‘king’s colour’ (the original corduroy having according to this theory been purple), but in fact there is no concrete evidence to substantiate this. A more likely explanation is that the word’s first syllable represents cord in the sense ‘ribbed fabric’, and that the second element is the now obsolete noun duroy ‘coarse woollen fabric’ [17], of unknown origin.
cue: cue: Cue has several meanings in English, and it is not clear whether they can all be considered to be the same word. In the case of ‘pigtail’ and ‘billiard stick’, both of which appeared in the 18th century, cue is clearly just a variant spelling of queue, but although cue ‘actor’s prompt’ [16] has been referred by some to the same source (on the grounds that it represents the ‘tail’ – from French queue ‘tail’ – of the previous actor’s speech) there is no direct evidence for this.

Another suggestion is that it represents qu, an abbreviation of Latin quando ‘when’ which was written in actor’s scripts to remind them when to come in.
=> queue
curtain: curtain: [13] Latin cortīna meant ‘round vessel, cauldron’, but in the 4th-century Vulgate we find it being used to translate Greek aulaía ‘curtain’. The reason for this considerable semantic leap seems to have been a link perceived to exist between Greek aulaía, a derivative of aulē ‘court’, and Latin cohort- ‘court’ (source of English court), although in fact there is no etymological connection between cohort- and cortīna. The word passed into Old French as cortine, and from there was acquired by English.
cut: cut: [13] There is no direct evidence that Old English had the word cut – the Old English terms were sceran ‘shear’, ceorfan ‘carve’, and hēawan ‘hew’ – but many etymologists have speculated that a pre-Conquest *cyttan did exist. Forms such as Norwegian kutte ‘cut’, Swedish kåta ‘whittle’, and Icelandic kuta ‘cut with a knife’ suggest an origin in a North Germanīc base *kut-.
daft: daft: [13] Daft was not always a term of reproach. It originally meant ‘mild, gentle’, and only in late Middle English slid to ‘stupid’ (in a semantic decline perhaps paralleling that of silly, which started off as ‘happy, blessed’). Middle English dafte corresponds directly to an Old English gedæfte, whose underlying sense seems to have been ‘fit, suitable’ (the sense connection was apparently that mild unassuming people were considered as behaving suitably).

There is no direct evidence of its use with this meaning, but Old English had a verb gedæftan ‘make fit or ready, prepare’ which, together with the Gothic verb gedaban ‘be suitable’, points to its origin in a Germanic base *dab- ‘fit, suitable’. This ties in with the semantic development of deft, a variant of daft, which has moved from a prehistoric ‘fit, suitable’ to ‘skilful’.
=> deft
dimple: dimple: [13] Dimple originally meant ‘pothole’, and was not applied to an ‘indentation in the flesh’ until the 14th century. There is no surviving record of the word in Old English, but it probably existed, as *dympel; Old High German had the cognate tumphilo, ancestor of modern German tümpel ‘pool, puddle’. Both go back to a Germanic *dump-, which may be a nasalized version of *d(e)up-, source of English deep and dip.
=> deep, dip
dolmen: dolmen: [19] English acquired the word dolmen for a ‘prehistoric structure of two upright stones surmounted by a horizontal one’ from French, but its ultimate source is Celtic. The element men means ‘stone’ (it occurs also in menhir [19], literally ‘long stone’) but there is disagreement about the first syllable. It is usually said to represent tōl ‘table’, a Breton borrowing from Latin tabula ‘board, plank’, but another view is that it is Cornish tol ‘hole’, and that the compound as a whole means literally ‘stone hole’, a reference to the aperture formed by the top stone lying on the two side stones.
=> menhir
dot: dot: [OE] The underlying meaning of dot seems to be ‘small lump or raised mark’. In Old English (in which there is only a single record of its use) it meant ‘head of a boil’, and it could well be related to English tit ‘nipple’. The word disappears from written texts between the 11th and the 16th centuries, and resurfaces in the sense ‘small lump’. The modern meaning ‘small roundish mark’ does not appear until the 17th century. Dottle ‘unburnt tobacco in the bottom of a pipe’ [15] is a diminutive form of dot.
=> dottle, tit
drain: drain: [OE] The underlying meaning of drain seems to be ‘making dry’. It comes ultimately from *draug-, the same prehistoric Germanic base as produced English drought and dry, and in Old English it meant ‘strain through a cloth or similar porous medium’. There then follows a curious gap in the history of the word: there is no written record of its use between about 1000 AD and the end of the 14th century, and when it reemerged it began to give the first evidence of its main modern meaning ‘draw off a liquid’.
=> drought, dry
duck: duck: [OE] A duck is a bird that ‘ducks’ – as simple as that. It gets its name from its habit of diving down under the surface of the water. There is no actual record of an English verb duck until the 14th century, but it is generally assumed that an Old English verb *dūcan did exist, which would have formed the basis of the noun duck. It came from a prehistoric West Germanic verb *dukjan, which also produced German tauchen ‘dive’.

English is the only language which uses this word for the bird, although Swedish has the term dykand, literally ‘dive-duck’, which refers to the ‘diver’, a sort of large waterbird. Nor is it the original English word: the Anglo-Saxons mainly called the duck ened, a term which survived until the 15th century. This represents the main Indo-European name for the duck, which comes from an original *anə ti- and is found in Greek nessa, Latin anas, German ente, Dutch eend, Swedish and, and Russian utka.
earnest: earnest: [OE] Earnest was originally a much more red-blooded word than it is today. It comes ultimately from a Germanic base *ern- which denoted ‘vigour’ or ‘briskness’. To this was added the noun suffix – ost (earnest was originally a noun), giving Old English eornost, which appears at first to have meant ‘intense passion’, and particularly ‘zeal in battle’. However, by the end of the Old English period there is already evidence of a semantic toning down from ‘intensity of feeling’ to ‘seriousness of feeling’ (as opposed to ‘frivolity’), a process which has culminated in modern English connotations of ‘over-seriousness’.
elbow: elbow: [OE] Logically enough, elbow means etymologically ‘arm bend’. It comes from a prehistoric West and North Germanīc *alinobogan (which also produced German ellenbogen, Dutch elleboog, and Danish albue). This was a compound formed from *alinā ‘forearm’ and *bogan (source of English bow). However, there is a further twist.

For *alinā (source also of English ell [OE], a measure of length equal to that of the forearm) itself goes back ultimately to an Indo-European base *el-, *ele- which itself meant ‘bend’, and produced not just words for ‘forearm’ (such as Latin ulna), but also words for ‘elbow’ (such as Welsh elin). So at this deepest level of all, elbow means tautologically ‘bend bend’.
=> bow, ell, ulna
engine: engine: [13] The underlying etymological meaning of engine is ‘natural talent’. It comes ultimately from Latin ingenium (source also of English ingenious) which was formed from the base *gen- (as in genetic) denoting ‘reproduction’ and meant literally ‘skill or aptitude one was born with’. Abstract meanings related to this (such as ‘ingenuity’ and ‘genius’) have now died out in English (which acquired the word via Old French engin), but what remains is a more specific strand of meaning in the Latin word – ‘clever device, contrivance’.

Originally this was an abstract concept (often used in a bad sense ‘trick, cunning ruse’), but as early as about 1300 there is evidence of a more concrete application in English to a ‘mechanical device’. The word’s modern use for ‘machine producing motion’ originates in its early 19thcentury application to the steam engine. Engineer [14] comes via Old French engigneor from medieval Latin ingeniātōr, a derivative of the verb ingeniāre ‘contrive’, which in turn came from ingenium.
=> gin, ingenious
entrails: entrails: [13] Entrails means literally just ‘insides’ – and indeed there is an unbroken semantic undercurrent to the word from earliest times to the present day signifying exactly that (as in ‘entrails of the earth’). It comes ultimately from the Latin adjective interāneus ‘internal’, a derivative of the adverb and preposition inter ‘inside, among’. Its neuter plural form interānea came to be used as a noun, and at some point underwent a metamorphosis to medieval Latin intrālia ‘inner parts, intestines’. English acquired the word via Old French entrailles.
esteem: esteem: [15] Esteem and estimate [16] are fairly open about their relationship, but there is another, more heavily disguised member of the family: aim. All three come ultimately from Latin aestimāre. Estimate was a straightforward borrowing from the Latin past participle aestimātus, but esteem came via Old French estimer, and aim from the reduced Old French form esmer. Originally, esteem meant much the same as estimate does: ‘evaluate, assess’. But as early as the 16th century it had passed into ‘think highly of’ (a semantic development interestingly paralleled in the 20th century by rate).
=> aim, estimate
excellent: excellent: [14] The underlying notion of excellent is of physically ‘rising above’ others. It comes via Old French from the present participle of Latin excellere. This was a compound verb formed from the prefix ex- ‘out’ and a hypothetical verbal element *cellere, which evidently meant something like ‘rise, be high’: it derived ultimately from an Indo-European base *kol-, *kel- which also produced English column, culminate, and hill.

There is little evidence of its literal use in Latin; the metaphorical ‘be outstanding’ evidently elbowed it aside at an early stage. (English acquired excel itself in the 15th century, incidentally.)
=> column, culminate, hill
explode: explode: [16] The use of explode to mean ‘burst with destructive force’ is a comparatively recent, late 19th-century development. The Latin verb explōdere, from which it comes, signified something quite different – ‘drive off the stage with hisses and boos’ (it was a compound formed from the prefix ex- ‘out’ and plaudere ‘clap’, source of English applaud and plaudits).

From this developed the figurative sense ‘reject, disapprove’, which was how the word was used when it was first taken over into English: ‘Not that I wholly explode Astrology; I believe there is something in it’, Thomas Tryon, Miscellanea 1696 (the modern notion of ‘exploding a theory’ is descended from this usage). In the 17th century, however, the Latin verb’s original sense was reintroduced, and it survived into the 19th century: ‘In the playhouse when he doth wrong, no critic is so apt to hiss and explode him’, Henry Fielding, Tom Jones 1749.

Towards the end of the 17th century we find the first traces of a metaphorical use that combines the notion of ‘driving out, expelling’ with ‘loud noise’ (‘the effects of Lightning, exploded from the Clouds’, Robert Plot, Natural History of Staffordshire 1679), but it was not to be for more than a century that the meaning element ‘drive out’ was replaced by the ‘burst, shatter’ of present-day English explode (Dr Johnson makes no mention of it in his Dictionary 1755, for example) Today the notion of ‘bursting violently’ is primary, that of ‘loud noise’ probably secondary, although still present.
=> applause, plaudits
fact: fact: [16] A fact is literally ‘something that is done’. It comes from Latin factum ‘deed’, a noun based on the past participle of facere ‘do’. This verb, a distant relative of English do, has contributed richly to English vocabulary, from obvious derivatives like factitious [17] and factitive [19] to more heavily disguised forms such as difficult, effect, fashion, feasible, feature, and fetish, not to mention the -fic suffix of words like horrific and pacific, and the related verbal suffix -fy.

To begin with, English adopted the word in its original Latin sense ‘deed’, but this now survives only in legal contexts, such as ‘accessory after the fact’. There is sporadic evidence in classical Latin, however, of its use for ‘something that happens, event’, and this developed in post-classical times to produce ‘what actually is’, the word’s main modern sense in French fait and Italian fatto as well as in their English relative fact. Feat is essentially the same word as fact, filtered through Old French.
=> difficult, do, effect, fashion, feasible, feature, fetish
fag: fag: English has three distinct words fag, none of whose origins is altogether clear. The oldest is the one which denotes ‘drudgery’. It is first recorded as a verb in the 16th century, meaning ‘droop, decline’; its more common noun uses, ‘hard boring work’ and ‘boy who does tasks for an older boy in a British public school’, appear to have developed in the late 18th century.

It is generally taken to have been originally an alteration of flag ‘lose vigour, droop’, although there is no conclusive proof of this. Fag ‘cigarette’ [19] is an abbreviation of fag-end [17], which originally meant generally ‘extreme end’. It was a compound formed from an earlier fag [15], whose underlying meaning seems to have been something like ‘piece hanging down loosely, flap’ (and which conceivably could be related to fag ‘drudgery’). Fag ‘homosexual’ [20] is short for faggot [13], a derogatory term applied to male homosexuals in American English since the early 20th century; the usage is probably based on the slightly earlier uncomplimentary use of the word for ‘woman’. Faggot means literally ‘bundle of sticks’, and comes via Old French fagot from Italian faggotto (which is used also for ‘bassoon’).

This in turn is a diminutive form of Vulgar Latin *facus, which was based ultimately on Greek phákelos ‘bundle’. The notion of applying a term for ‘bundle’ abusively to ‘women’ is perhaps echoed in baggage.