English English Wikipedia has an article on:eponymyWikipedia Etymology From eponym + -y. Noun eponymy (usually uncountable, plural eponymies) (semantics) The semantic relation of eponyms; the quality of being eponymous. Translations Quality of being eponymous French: éponymie (fr) f Occitan: eponimia f Wikiwand - on Seamless Wikipedia browsing. On steroids.