Eponymy

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Eponymy \E*pon"y*my\, n. [Gr. ? a surname given after some
     person or thing.]
     The derivation of the name of a race, tribe, etc., from that
     of a fabulous hero, progenitor, etc.
     [1913 Webster]