antonomasia (n.)youdaoicibaDictYouDict[antonomasia 词源字典]
use of an epithet for a proper name (or vice versa; as in His Holiness for the name of a pope), 1580s, from Latin, from Greek antonomasia, from antonomazein "to name instead, call by a new name," from anti "instead" (see anti-) + onomazein "to name," from onoma "name" (see name (n.)).[antonomasia etymology, antonomasia origin, 英语词源]