spikenard (n.)youdaoicibaDictYouDict[spikenard 词源字典]
mid-14c., "aromatic substance from an Indian plant, famous perfumed unguent of the ancients," from Medieval Latin spica nardi (see spike (n.2)), rendering Greek nardou stakhys, in which the other element probably ultimately from Sanskrit nalada-, the name of the plant.[spikenard etymology, spikenard origin, 英语词源]
spiky (adj.)youdaoicibaDictYouDict
1720, from spike (n.1) + -y (2). Related: Spikiness.
spile (n.)youdaoicibaDictYouDict
tap or spout for drawing maple sugar, 1844, from Northern English dialect spile "splinter" (1510s), from Middle Dutch or Middle Low German spile "splinter, skewer, bar, spindle," German Speiler "skewer;" perhaps related to spike (n.1).
spill (v.)youdaoicibaDictYouDict
Old English spillan "destroy, mutilate, kill," also in late Old English "to waste," variant of spildan "destroy," from Proto-Germanic *spilthjan (cognates: Old High German spildan "to spill," Old Saxon spildian "destroy, kill," Old Norse spilla "to destroy," Danish spilde "lose, spill, waste," Middle Dutch spillen "to waste, spend"), from PIE *spel- (1) "to split, break off" (cognates: Middle Dutch spalden, Old High German spaltan "to split;" Greek aspalon "skin, hide," spolas "flayed skin;" Lithuanian spaliai "shives of flax;" Old Church Slavonic rasplatiti "to cleave, split;" Middle Low German spalden, Old High German spaltan "to split;" Sanskrit sphatayati "splits").

Sense of "let (liquid) fall or run out" developed mid-14c. from use of the word in reference to shedding blood (early 14c.). Intransitive sense "to run out and become wasted" is from 1650s. Spill the beans recorded by 1910 in a sense of "spoil the situation;" 1919 as "reveal a secret." To cry for spilt milk (usually with negative) is attested from 1738. Related: Spilled; spilt; spilling.
spill (n.)youdaoicibaDictYouDict
1845, originally "a throw or fall from a horse," from spill (v.). Meaning "the spilling of a liquid, amount of spilled stuff" is from 1848.
spillage (n.)youdaoicibaDictYouDict
1838, from spill (v.) + -age. Shakespeare used spilth "that which has spilled, act of spilling" ("Timon," 1607), which was picked up by Browning, etc.
spillover (n.)youdaoicibaDictYouDict
1940, from verbal phrase, from spill (v.) + over (adv.). From 1953 as an adjective.
spillway (n.)youdaoicibaDictYouDict
1889, from spill + way (n.).
spilth (n.)youdaoicibaDictYouDict
"that which is spilled," c. 1600, from spill (v.) + -th (2). Used, once, by Shakespeare.
spin (v.)youdaoicibaDictYouDict
Old English spinnan (transitive) "draw out and twist fibers into thread," strong verb (past tense spann, past participle spunnen), from Proto-Germanic *spenwan (cognates: Old Norse and Old Frisian spinna, Danish spinde, Dutch spinnen, Old High German spinnan, German spinnen, Gothic spinnan), from PIE *spen-wo-, from root *(s)pen- "to draw, stretch, spin" (cognates: Armenian henum "I weave;" Greek patos "garment," literally "that which is spun;" Lithuanian pinu "I plait, braid," spandau "I spin;" Middle Welsh cy-ffiniden "spider;" see span (v.)).

Intransitive senses of "to form threads from fibrous stuff; to twist, writhe" developed in late Old English. Transitive sense of "cause to turn rapidly" is from 1610s; intransitive meaning "revolve, turn around rapidly" first recorded 1660s. Meaning "attempt to influence reporters' minds after an event has taken place but before they have written about it" seems to have risen to popularity in the 1984 U.S. presidential campaign; as in spin doctor, first attested 1984.
spin (n.)youdaoicibaDictYouDict
1831, "a rapid revolving motion," from spin (v.). Meaning "fairly rapid ride" is from 1856. Sense of "a twisting delivery in throwing or striking a ball" is from 1851. Sense in physics is from 1926. Meaning "act of playing a phonograph record" is from 1977. Meaning "influence imparted by a media source" is from 1984.
spinach (n.)youdaoicibaDictYouDict
c. 1400 (late 13c. as a surname), from Anglo-French spinache, Old French espinache (14c., Modern French épinard, from a form with a different suffix), from Old Provençal espinarc, which perhaps is via Catalan espinac, from Andalusian Arabic isbinakh, from Arabic isbanakh, from Persian aspanakh "spinach." But OED is not convinced the Middle Eastern words are native, and based on the plethora of Romanic forms pronounces the origin "doubtful."

Popeye, the spinach-eating superman, debuted in 1929. Old folk etymology connected the word with Latin spina (see spine) or with Medieval Latin Hispanicum olus. For pronunciation, see cabbage. In 1930s colloquial American English, it had a sense of "nonsense, rubbish," based on a famous "New Yorker" cartoon of Dec. 8, 1928. Related: spinaceous.
spinal (adj.)youdaoicibaDictYouDict
1570s, from Late Latin spinalis "of or pertaining to a thorn or the spine," from Latin spina (see spine). Spinal tap recorded from 1960.
spindle (n.)youdaoicibaDictYouDict
early 13c., with intrusive -d-, from Old English spinel "small wooden bar used in hand-spinning," properly "an instrument for spinning," from stem of spinnan (see spin (v.)) + instrumental suffix -el (1). Compare handle, thimble, etc.

Related to Old Saxon spinnila, Old Frisian spindel, Old High German spinnila, German Spindel. As a type of something slender, it is attested from 1570s. As with distaff, sometimes formerly used as a metonym for "the female sex," as in Old English spinelhealf "female line of descent," distinguished from sperehealf "male line of descent."
spindly (adj.)youdaoicibaDictYouDict
1650s, from spindle + -y (2). Related: Spindliness.
spindrift (n.)youdaoicibaDictYouDict
spray of salt water blown along the surf of the sea in heavy winds, c. 1600, Scottish formation from verb spene, alteration of spoon "to sail before the wind" (1570s, of uncertain origin) + drift (n.). "Common in English writers from c 1880, probably at first under the influence of W. Black's novels" [OED].
spine (n.)youdaoicibaDictYouDict
c. 1400, "backbone," later "thornlike part" (early 15c.), from Old French espine "thorn, prickle; backbone, spine" (12c., Modern French épine), from Latin spina "backbone," originally "thorn, prickle" (figuratively, in plural, "difficulties, perplexities"), from PIE *spe-ina-, from root *spei- "sharp point" (see spike (n.1)). Meaning "the back of a book" is first attested 1922.
spine-chiller (n.)youdaoicibaDictYouDict
"mystery film," 1940, from spine + agent noun from chill (v.). Spine-tingler in same sense is from 1942.
spineless (adj.)youdaoicibaDictYouDict
1827 of animals (1805 of plants), from spine + -less. Meaning "lacking moral force" is from 1885. Related: Spinelessly; spinelessness.
spinet (n.)youdaoicibaDictYouDict
1660s, spinette, "small harpsichord," from Middle French espinette (16c., Modern French épinette), from Italian spinetta, said by Scaliger to be a diminutive of spina "thorn, spine," from Latin spina "thorn" (see spine), so called because the strings were plucked with thorn-like quills [Barnhart]. The other theory (favored by Klein and assigned "greater probability" by OED) dates to early 17c. and claims the word is from the name of the Venetian inventor, Giovanni Spinetti (fl. c. 1503). As "small, upright piano" from 1936.