waggle (v.)youdaoicibaDictYouDict[waggle 词源字典]
late 15c. (implied in waggling), frequentative of wag (v.). Compare Dutch waggelen "to waggle," Old High German wagon "to move, shake," German wackeln "to totter." Transitive sense from 1590s. Related: Waggled.[waggle etymology, waggle origin, 英语词源]