Dictionary

eponym

eponym

noun ep·onym \ˈe-pə-ˌnim\

Definition of EPONYM

1
:  one for whom or which something is or is believed to be named
2
:  a name (as of a drug or a disease) based on or derived from an eponym
ep·onym·ic \ˌe-pə-ˈni-mik\ adjective

Examples of EPONYM

  1. Joseph Banks was surely the eponym of eponyms. From Alaska to Indonesia, from Tierra del Fuego to Tasmania, there are capes, islands, straits, mountains, bays, points, channels, peninsulas, counties and towns named after him. —Pat Rogers, Times Literary Supplement, 3–9 June 1988

Origin of EPONYM

Greek epōnymos, from epōnymos eponymous, from epi- + onyma name — more at name
First Known Use: 1846

eponym

noun ep·onym \ˈep-ə-ˌnim\   (Medical Dictionary)

Medical Definition of EPONYM

1
:  the person for whom something (as a disease) is or is believed to be named
2
:  a name (as of a drug or a disease) based on or derived from the name of a person

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