eponym

noun

1. 名祖（姓名或名称被用以命名地方、发明、发现等的人或物）
   a person or thing, or the name of a person or thing, from which a place, an invention, a discovery, etc. gets its name

1. Being or relating to or bearing the name of an eponym. As a writer she was on a par with the great novelists.
   属于齐名的，关于齐名的或产生齐名的。她是与伟大小说家齐名的作家。
2. The name of a person for whom something is supposedly named; Constantine I is the eponym for Constantinople. In the Fourth Crusade the Venetians took over Constantinople and established a line of Latin emperors.
   被命名为某物的人名；君士坦丁堡与君士坦丁一世齐名。在第四次十字军东征时，威尼斯人占领了君士坦丁堡，并拥立另一支的拉丁皇帝。
3. The introduction is mainly about the definition of eponym, and emphasizing its development and synchrony with language.
   前言主要是名祖名词的定义，阐述名祖名词的发展和存在现状，并强调了名祖名词始终与语言的发展共时。

noun

1. the name derived from a person (real or imaginary)
   1. Down's syndrome is an eponym for the English physician John Down

2. the person for whom something is named
   1. Constantine I is the eponym for Constantinople