follow Dictionary.com

Submit your word to be a Word of the Day!

eponym

[ep-uh-nim] /ˈɛp ə nɪm/
noun
1.
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.
2.
a word based on or derived from a person's name.
3.
any ancient official whose name was used to designate his year of office.
Origin
1840-1850
1840-50; back formation from eponymous
Related forms
eponymic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for eponym
  • Worse, his name became an eponym for someone who betrays his own country by helping the enemy.
  • He reorganized the data, he shifted the paradigm, he deserves the eponym.
British Dictionary definitions for eponym

eponym

/ˈɛpəˌnɪm/
noun
1.
a name, esp a place name, derived from the name of a real or mythical person, as for example Constantinople from Constantine I
2.
the name of the person from which such a name is derived: in the Middle Ages, "Brutus" was thought to be the eponym of "Britain"
Derived Forms
eponymic, adjective
Word Origin
C19: from Greek epōnumos giving a significant name
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
Cite This Source
Word Origin and History for eponym
n.

one whose name becomes that of a place, a people, an era, an institution, etc., 1846, from Greek eponymos "given as a name, giving one's name to something," from epi "upon" (see epi-) + onyma, Aeolic dialectal variant of onoma "name" (see name (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
eponym in Medicine

eponym ep·o·nym (ěp'ə-nĭm')
n.
A name of a drug, structure, or disease based on or derived from the name of a person.


ep'o·nym'ic adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Encyclopedia Article for eponym

one for whom or which something is or is believed to be named. The word can refer, for example, to the usually mythical ancestor or totem animal or object that a social group (such as a tribe) holds to be the origin of its name. In its most familiar use, eponym denotes a person for whom a place or thing is named, as in describing James Monroe as the eponym of Monrovia, Liberia. The derivative adjective is eponymous. An eponymous hero of a work of literature is one whose name is the title of the work, such as Anne Bronte's Agnes Grey, Charles Dickens's David Copperfield, and John Fowles's Daniel Martin.

Learn more about eponym with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for eponym

Some English speakers likely know this word

Word Value for eponym

13
15
Scrabble Words With Friends

Nearby words for eponym