giving one's name to a tribe, place, etc.: Romulus, the eponymous founder of Rome.
Origin of eponymous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(of a person) being the person after whom a literary work, film, etc, is namedthe eponymous heroine in the film of Jane Eyre
(of a literary work, film, etc) named after its central character or creatorthe Stooges' eponymous debut album
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper