heterophemy (n.)youdaoicibaDictYouDict[heterophemy 词源字典]
"the (unintentional) use of some other word or phrase in place of the one that was meant," 1875, from hetero- + Greek pheme "utterance," from PIE root *bha- (2) "to speak, tell, say" (see fame (n.)).[heterophemy etymology, heterophemy origin, 英语词源]