eponym

[ ep-uh-nim ]
/ ˈɛp ə nɪm /

noun

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

OTHER WORDS FROM eponym

ep·o·nym·ic, adjective

Words nearby eponym

epochal, epode, epoetin alfa, eponychia, eponychium, eponym, eponymous, eponymy, epoophorectomy, epoophoron, epopee

British Dictionary definitions for eponymic

eponym
/ (ˈɛpəˌnɪm) /

noun

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 derived in the Middle Ages, "Brutus" was thought to be the eponym of "Britain"

Derived forms of eponym

eponymic, adjective

Word Origin for eponym

C19: from Greek epōnumos giving a significant name

Medical definitions for eponymic

eponym
[ ĕp′ə-nĭm′ ]

n.

A name of a drug, structure, or disease based on or derived from the name of a person.

Other words from eponym

ep′o•nym′ic adj.