wail (v.)youdaoicibaDictYouDict[wail 词源字典]
c. 1300 (intransitive); mid-14c. (transitive), from Old Norse væla "to lament," from "woe" (see woe). Of jazz musicians, "to play very well," attested from 1955, American English slang (wailing "excellent" is attested from 1954). Related: Wailed; wailer.[wail etymology, wail origin, 英语词源]
wail (n.)youdaoicibaDictYouDict
c. 1300; see wail (v.).