英语词源字典 - 在线词源网站

bent (adj.)[bent 词源字典]: "not straight," late 14c. (earlier ibent, c. 1300, from past participle of bend (v.). Meaning "turned or inclined in some direction" is from 1530s, probably as a translation of Latin inclinatio. Meaning "directed in a course" is from 1690s. Figurative phrase bent out of shape "extremely upset" is 1960s U.S. Air Force and college student slang.[bent etymology, bent origin, 英语词源]
buckle (v.2): "distort, warp, bend out of shape" 1520s, bokelen "to arch the body," from Middle French boucler "to bulge," from Old French bocler "to bulge," from bocle "boss of a shield" (see buckle (n.)). Meaning "bend under strong pressure" is from 1590s (figurative from 1640s) . Related: Buckled; buckling.
deform (v.): c. 1400, "to disfigure," from Old French deformer (13c.), from Latin deformare "put out of shape, disfigure," from de- (see de-) + formare (see form (v.)). Related: Deformed; deforming.
shape (n.): Old English sceap, gesceap "form; created being, creature; creation; condition; sex, genitalia," from root of shape (v.)). Meaning "contours of the body" is attested from late 14c. Meaning "condition, state" is first recorded 1865, American English. In Middle English, the word in plural also had a sense of "a woman's private parts." Shape-shifter attested from 1820. Out of shape "not in proper shape" is from 1690s. Shapesmith "one who undertakes to improve the form of the body" was used in 1715.
warp (v.): "to bend, twist, distort," Old English weorpan "to throw, throw away, hit with a missile," from Proto-Germanic *werpan "to fling by turning the arm" (cognates: Old Saxon werpan, Old Norse verpa "to throw," Swedish värpa "to lay eggs," Old Frisian werpa, Middle Low German and Dutch werpen, German werfen, Gothic wairpan "to throw"), from PIE *werp- "to turn, wind, bend" (cognates: Latin verber "whip, rod;" Greek rhabdos "rod," rhombos "magic wheel"), from root *wer- (3) "to turn, bend" (see versus).

Connection between "turning" and "throwing" is perhaps in the notion of rotating the arm in the act of throwing; compare Old Church Slavonic vrešti "to throw," from the same PIE root. The meaning "twist out of shape" is first recorded c. 1400; intransitive sense is from mid-15c. Related: Warped; warping.
crooked: "Bent or twisted out of shape or out of place", Middle English: from crook, probably modelled on Old Norse krókóttr 'crooked, cunning'.