cacophony (n.)youdaoicibaDictYouDict[cacophony 词源字典]
1650s, from Greek kakophonia, from kakophonos "harsh sounding," from kakos "bad, evil" (see caco-) + phone "voice, sound," from PIE root *bha- (2) "to speak, tell, say" (see fame (n.)). Related: Cacophonous.[cacophony etymology, cacophony origin, 英语词源]