pica (n.2)youdaoicibaDictYouDict[pica 词源字典]
"pathological craving for substance unfit for food" (such as chalk), 1560s, from Medieval Latin pica "magpie" (see pie (n.2)), probably translating Greek kissa, kitta "magpie, jay," also "false appetite." The connecting notion may be the birds' indiscriminate feeding.[pica etymology, pica origin, 英语词源]
picador (n.)youdaoicibaDictYouDict
1797, from Spanish picador, literally "pricker," from picar "to pierce," from Vulgar Latin *piccare "to pierce" (see pike (n.2)). He pricks the bull with a lance to provoke it.
PicardyyoudaoicibaDictYouDict
from Old French pic (Modern French pique) "pike" (see pike (n.2)); the characteristic weapon of the people who lived in this part of northern France in ancient times.
picaresque (adj.)youdaoicibaDictYouDict
1810, from Spanish picaresco "roguish," from picaro "rogue," of uncertain origin, possibly from picar "to pierce," from Vulgar Latin *piccare (see pike (n.2)). Originally in roman picaresque "rogue novel," the classic example being "Gil Blas."
picaroon (n.)youdaoicibaDictYouDict
1620s, "rogue, thief, adventurer; pirate, sea-robber; small pirate ship," from Spanish picaron, augmentative of picaro "rogue" (see picaresque); also see -oon.
picayune (n.)youdaoicibaDictYouDict
1804, "coin of small value," probably from Louisiana French picaillon "coin worth 5 cents," earlier the French name of an old copper coin of Savoy (1750), from Provençal picaioun "small copper coin," from picaio "money," of uncertain origin. Adjectival figurative sense of "paltry, mean" recorded from 1813.
piccalilli (n.)youdaoicibaDictYouDict
"pickle of chopped vegetables," 1769, piccalillo, perhaps a fanciful elaboration of pickle. Spelling with an -i attested from 1845.
piccaninny (n.)youdaoicibaDictYouDict
also pickaninny, 1650s, from West Indies patois, formed as a diminutive from Spanish pequeño or Portuguese pequeno "little, small," of uncertain origin, related to French petit (see petit (adj.)). As late as 1836 applied affectionately to any small child or baby, regardless of race.
piccolo (n.)youdaoicibaDictYouDict
1856, piccolo flute, from French piccolo, from Italian flauto piccolo "small flute," from piccolo "small," perhaps a children's made-up word, or from picca "point," or from Vulgar Latin root *pikk- "little," related to *piccare "to pierce" (see pike (n.2)). Other sources suggest it is from the same source as French petit (see petit (adj.)).
pick (v.)youdaoicibaDictYouDict
early 13c., picken "to peck;" c. 1300, piken "to work with a pick," probably representing a fusion of Old English *pician "to prick," (implied by picung "a piercing, pricking," an 8c. gloss on Latin stigmata) with Old Norse pikka "to prick, peck," both from a Germanic root (source also of Middle Dutch picken, German picken "to pick, peck"), perhaps imitative. Influence from Middle French piquer "to prick, sting" (see pike (n.2)) also is possible, but that French word generally is not considered a source of the English word. Related: Picked; picking.

Meaning "to eat with small bites" is from 1580s. The meaning "to choose, select, pick out" emerged late 14c., from earlier meaning "to pluck with the fingers" (early 14c.). Sense of "to rob, plunder" (c. 1300) weakened to a milder sense of "steal petty things" by late 14c. Of forcing locks with a pointed tool, by 1540s. Meaning "to pluck (a banjo)" is recorded from 1860. To pick a quarrel, etc. is from mid-15c.; to pick at "find fault with" is from 1670s. Pick on "single out for adverse attention" is from late 14c.; pick off "shoot one by one" is recorded from 1810; baseball sense of "to put out a runner on base" is from 1939. Also see pick up. To pick and choose "select carefully" is from 1660s (choose and pick is attested from c. 1400).
pick (n.1)youdaoicibaDictYouDict
c. 1200, "pointed tool for breaking up rock or ground," variant of pike (n.4). Meaning "sharp tool" is from mid-14c.
pick (n.2)youdaoicibaDictYouDict
mid-15c., "a blow with a pointed instrument," from pick (v.). Meaning "plectrum for a guitar, lute, etc." is from 1895; as a type of basketball block, from 1951; meaning "choicest part or example" is first recorded 1760.
pick up (v.)youdaoicibaDictYouDict
early 14c. as a verbal phrase, "lift and take," from pick (v.) + up (adv.). Of persons, "make acquaintance or take along," especially for sexual purposes, 1690s. Meaning "cause (someone) to revive" is from 1857. Sense of "tidy up" is from 1861; that of "arrest" is from 1871; meaning "gain speed" is from 1922; meaning "to pay" (a check, tab, etc.) is from 1945. Pick-me-up "stimulating alcoholic drink" is attested from 1867.
pickaxe (n.)youdaoicibaDictYouDict
also pick-axe, early 15c., folk etymology alteration (by influence of axe) of Middle English picas (mid-13c.), via Anglo-French piceis, Old French pocois (11c.) and directly from Medieval Latin picosa "pick," related to Latin picus "woodpecker" (see pie (n.2)).
picked (adj.)youdaoicibaDictYouDict
"chosen for excellence," 1540s, past participle adjective from pick (v.).
pickelhaube (n.)youdaoicibaDictYouDict
Prussian spiked helmet, 1875, from German Pickelhaube, from pickel "(ice)pick, pickaxe," + haube "hood, bonnet." But the German word is attested 17c., long before the helmet type came into use, and originally meant simply "helmet;" Palmer ("Folk-Etymology") reports a German theory (Andresen) that it is a folk-etymology: "as if from Pickel and haube, a cap or coif[;] more correctly written Biekelhaube, [it] is for Beckelhaube, a word most probably derived from becken, a basin."
picker (n.)youdaoicibaDictYouDict
1520s, "one who steals;" literal use "one who picks" is from 1660s; agent noun from pick (v.). From 1923 as "one who plays the banjo." Picker-upper attested from 1936.
pickerel (n.)youdaoicibaDictYouDict
"young pike," late 13c., from pike (n.3), the fish, with French pejorative suffix -rel; perhaps formed in Anglo-French.
picket (n.)youdaoicibaDictYouDict
1680s, "pointed stake (for defense against cavalry, etc.)," from French piquet "pointed stake," from piquer "to pierce" (see pike (n.2)). Sense of "troops posted to watch for enemy" first recorded 1761; that of "striking workers stationed to prevent others from entering a factory" is from 1867. Picket line is 1856 in the military sense, 1945 of labor strikes.
picket (v.)youdaoicibaDictYouDict
1745, "to enclose with pickets," from picket (n.). The sense in labor strikes, protests, etc., is attested from 1867. Related: Picketed; picketing.