eponym
noun /ˈepənɪm/
/ˈepənɪm/
(specialist)- a person or thing, or the name of a person or thing, from which a place, an invention, a discovery, etc. gets its name
- Williams was presented with the Billie Jean King Trophy by its eponym, Billie Jean King herself.
- Medical eponyms are meant to honour individuals who contributed to the field.
Word Originmid 19th cent.: from Greek epōnumos ‘given as a name, giving one's name to someone or something’, from epi ‘upon’ + onoma ‘name’.