a person or thing, or the name of a person or thing, from which a place, an invention, a discovery, etc. gets its name 名祖(姓名或名称被用以命名地方、发明、发现等的人或物) Williams was presented with the Billie Jean King Trophy by its eponym, Billie Jean King herself. 威廉姆斯以其名字比利·简·金本人的名字获得了比利·简·金奖。 Medical eponyms are meant to honour individuals who contributed to the field. 医学名是为了纪念在这一领域做出贡献的个人。
Word Originmid 19th cent.: from Greek epōnumos ‘given as a name, giving one's name to someone or something’, from epi ‘upon’ + onoma ‘name’.