- a person, real or imaginary, from whom something, as a tribe, nation, or place, takes or is said to take its name: Brut, the supposed grandson of Aeneas, is the eponym of the Britons.
- a word based on or derived from a person's name.
- any ancient official whose name was used to designate his year of office.
Origin of eponym
First recorded in 1840–50; back formation from eponymous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for eponym
This, however, as we learn from the Eponym Canon, was not all.The Expositor's Bible
F. W. Farrar
The word 'Abram' is merely an eponym—it means 'exalted father.'The Damnation of Theron Ware
As much is suggested by the following entry in an eponym list.Myths of Babylonia and Assyria
Donald A. Mackenzie
And in this respect Herakles was the eponym and patron of an order which existed throughout Doric Hellas.
Sardanapalus, the eponym of Oriental luxury, furnishes a good subject for this style of composition.
- a name, esp a place name, derived from the name of a real or mythical person, as for example Constantinople from Constantine I
- the name of the person from which such a name is derivedin the Middle Ages, "Brutus" was thought to be the eponym of "Britain"
C19: from Greek epōnumos giving a significant name
Word Origin and History for eponym
Online Etymology Dictionary, © 2010 Douglas Harper
- A name of a drug, structure, or disease based on or derived from the name of a person.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.