[ ˌantənə'meɪzɪə , anˌtɒnə- ]
■ noun Linguistics the substitution of an epithet or title for a proper name.
↘the use of a proper name to express a general idea (e.g. a Scrooge for a miser).
Origin
C16: via L. from Gk, from antonomazein 'name instead'.