chou (n.)youdaoicibaDictYouDict[chou 词源字典]
"fashionable knot in a woman's dress or hat," 1883; earlier "small, round, cream-filled pastry" (1706), from French chou, literally "cabbage" (12c.), from Latin caulis "cabbage," literally "stalk" (see cole).[chou etymology, chou origin, 英语词源]