Crooked

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Middle English: from crook, probably modelled on Old Norse krókóttr ‘crooked, cunning’.

wiktionary

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From crook, equivalent to crook +‎ -ed.

From Middle English croked, crokid, past participle of croken(“to crook, bend”). Cognate with Danish kroget(“crooked”). More at crook.

etymonline

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crooked (adj.)

early 13c., "bent, curved, in a bent shape," past-participle adjective from crook (v.). In the figurative sense of "dishonest, false, treacherous, not straight in conduct" is from c. 1200. Related: Crookedly; crookedness.