eponym

名词 eponym:

1. the person for whom something is named
2. the name derived from a person (real or imaginary)

ep.o.nym

n.（名词）
A person whose name is or is thought to be the source of the name of something, such as a city, country, or era. For example,Romulus is the eponym of Rome.
名祖：指姓名被或被认为用来命名某物，如城市、地区等，例如，罗穆卢斯 是 罗马 的名祖
Medicine A name of a drug, structure, or disease based on or derived from the name of a person.
【医学】 人名名称：某药品，结构或疾病因其发明或发现者而命名

来源：
French éponyme
法语 éponyme
from Greek epônumos [named after]
源自 希腊语 epônumos [因…命名]
epi- [epi-]
epi- [前缀，表.在…之外.]
onoma, onuma [name] * see nò-men-
onoma, onuma [名] *参见 nò-men-

【引伸】
ep.onym.ic
adj.（形容词）