eponymous(a = adj.pert) eponymic - being or relating to or bearing the name of an eponym;
Derived forms noun eponym2, noun eponym1
Relating to an eponym; giving one's name to a tribe, people, country, and the like. [1913 Webster]
"What becomes . . . of the Herakleid genealogy of the Spartan kings, when it is admitted that eponymous persons are to be canceled as fictions?" [1913 Webster]