Middle English (in the sense 'hook'): from Old French crochet, diminutive of croc 'hook', from Old Norse krókr.

• croquet from mid 19th century:

  Different as they seem, croquet and crochet (mid 19th century) are probably the same word. Croquet is thought to be a form of French crochet ‘hook, shepherd's crook’, which can mean ‘hockey stick’ in parts of France, and in English refers to a handicraft in which yarn is made up into fabric with a hooked needle. The lawn game in which you drive balls through hoops with a mallet seems to have been invented in France but introduced to Ireland, from where it spread to England in the 1850s and quickly became a popular sport among the aristocracy. The French word is also the source of the musical note called the crotchet (Middle English), from its shape, and also the old-fashioned term meaning a perverse belief, a hooked or twisted point of view, in use since Middle English, and giving us the term crotchety in the early 19th century.