crowbar (n.)youdaoicibaDictYouDict[crowbar 词源字典]
1748, with bar (n.1), earlier simply crow (c. 1400); so called from its "beak" or from resemblance to a crow's foot; or possibly it is from crows, from Old French cros, plural of croc "hook."[crowbar etymology, crowbar origin, 英语词源]
crowd (v.)youdaoicibaDictYouDict
Old English crudan "to press, crush." Cognate with Middle Dutch cruden "to press, push," Middle High German kroten "to press, oppress," Norwegian kryda "to crowd." Related: Crowded; crowding.
crowd (n.)youdaoicibaDictYouDict
1560s, from crowd (v.). The earlier word was press (n.).
crown (v.)youdaoicibaDictYouDict
late 12c., from Old French coroner, from corone (see crown (n.)). Related: Crowned; crowning. The latter in its sense of "that makes complete" is from 1650s.
crown (n.)youdaoicibaDictYouDict
early 12c., "royal crown," from Anglo-French coroune, Old French corone (13c., Modern French couronne), from Latin corona "crown," originally "wreath, garland," related to Greek korone "anything curved, kind of crown." Old English used corona, directly from Latin.

Extended to coins bearing the imprint of a crown (early 15c.), especially the British silver 5-shilling piece. Also monetary units in Iceland, Sweden (krona), Norway, Denmark (krone), and formerly in German Empire and Austria-Hungary (krone). Meaning "top of the skull" is from c. 1300. Crown-prince is 1791, a translation of German kronprinz.
crozier (n.)youdaoicibaDictYouDict
late 13c., from Old French crocier, from Medieval Latin crociarius "bearer of a cross," from crocia "cross;" also from Old French croisier "one who bears or has to do with a cross" (see cross (n.)). The two words merged in Middle English. Technically, "the bearer of a bishop's pastoral staff;" erroneously applied to the staff itself since 1733.
cru (n.)youdaoicibaDictYouDict
from French cru "vineyard," literally "growth" (16c.), from Old French crois (12c.; Modern French croît), from croiss-, stem of croistre "growth, augment, increase," ultimately from Latin crescere "come forth, spring up, grow, thrive" (see crescent).
crucial (adj.)youdaoicibaDictYouDict
1706, "cross-shaped," from French crucial, a medical term for ligaments of the knee (which cross each other), from Latin crux (genitive crucis) "cross" (see cross (n.)). The meaning "decisive, critical" (1830) is extended from a logical term, Instantias Crucis, adopted by Francis Bacon (1620); the notion is of cross fingerboard signposts at forking roads, thus a requirement to choose.
cruciate (adj.)youdaoicibaDictYouDict
"cross-shaped," from Modern Latin cruciatus, from Latin crux (genitive crucis) "cross" (see cross (n.)). Obsolete meaning "tormented" is 1530s, from Latin cruciat-, past participle stem of cruciare "cause pain or anguish to," literally "crucify," from crux.
crucible (n.)youdaoicibaDictYouDict
early 15c., from Medieval Latin crucibulum "melting pot for metals," originally "night lamp." First element might be Middle High German kruse "earthen pot." Or perhaps it is from Latin crux on some fancied resemblance to a cross. Used of any severe test or trial since 1640s.
cruciferous (adj.)youdaoicibaDictYouDict
1650s, from Late Latin crucifer "cross-bearing," from Latin crux (genitive crucis) "stake, cross" (see cross (n.)). Originally in literal senses; botanical use (in reference to a symmetrical arrangement of four petals) is from 1851.
crucifix (n.)youdaoicibaDictYouDict
early 13c., from Old French crucefix (12c., Modern French crucifix), from Latin cruci fixus "(one) fixed to the cross" (see crucify).
crucifixion (n.)youdaoicibaDictYouDict
early 15c., from Late Latin crucifixionem (nominative crucifixio), noun of action from past participle stem of crucifigere "kill by crucifixion; fasten to a cross" (see crucify).
cruciform (adj.)youdaoicibaDictYouDict
1660s, from Modern Latin cruciformis, from Latin crux (genitive crucis) "stake, cross" (see cross (n.)) + forma "form" (see form (n.)).
crucify (v.)youdaoicibaDictYouDict
c. 1300, from Old French crucifer (12c., Modern French crucifier), from Vulgar Latin *crucificare, from Late Latin crucifigere "to fasten to a cross," from cruci, dative of Latin crux "cross" (see cross (n.)) + figere "fasten" (see fix (v.)). An ancient mode of capital punishment considered especially ignominious by the Romans. Figurative sense of "to torment" is 1620s. Related: Crucified; crucifying.
cruciverbalist (n.)youdaoicibaDictYouDict
"maker of crossword puzzles," by 1990, coined in English from Latin cruci-, comb. form of crux "cross" (see cross (n.)) + verbum "word" (see verb).
crud (n.)youdaoicibaDictYouDict
"nonsense, rubbish," 1940, U.S. slang; originally 1920s army and college student slang for "venereal disease." Said to be a metathesis variant of curd, which actually makes it an unconscious return to the original Middle English form of that word (see curd). As G.I. name for "disease of any and every sort" it is attested from 1945.
crude (adj.)youdaoicibaDictYouDict
late 14c., "in a raw state," from Latin crudus "rough; not cooked, raw, bloody," from PIE *krue-do-, from PIE *kreue- (1) "raw flesh" (see raw). Meaning "lacking grace" is first attested 1640s. Related: Crudely; crudeness. Crude oil is from 1865.
crudites (n.)youdaoicibaDictYouDict
1960, from French crudités, literally "raw things" (see crudity).
crudity (n.)youdaoicibaDictYouDict
early 14c., from Middle French crudité (14c.) and directly from Latin cruditatem (nominative cruditas), from crudus (see crude).