whatnot (n.)youdaoicibaDictYouDict[whatnot 词源字典]
also what-not, 1530s, "anything," from what + not. Elliptical for "what may I not say," implying "everything else." As the name of a furniture item, first attested 1808, so named for the objects it is meant to hold.[whatnot etymology, whatnot origin, 英语词源]