eponym

英 ['epənɪm] 美['ɛpənɪm]

Down's syndrome is an eponym for the English physician john down.: 唐氏综合症是用英国医生约翰·唐(JohnDown)的名字命名的.

Constantine I is the eponym for constantinople.: 君士坦丁堡(constantinople)得名于康斯坦丁一世(ConstantineI).