Where does “eponymy” come from?

eponymy (English) comes from English eponym, from Latin eponymus, from Ancient Greek ἐπώνυμος, from Ancient Greek ἐπί, from Ancient Greek Ἡμέρα, from Ancient Greek ἦμαρ, from Proto-Hellenic ā́mər, from Proto-Indo-European h₂eh₃mr̥ — to be hot; to burn.

eponymy (English): The semantic relation of eponyms; the quality of being eponymous

Definitions

  1. The semantic relation of eponyms; the quality of being eponymous

Ancestry of “eponymy”, step by step

eponymy traces back through two separate lines of ancestry.

via English eponym

StepLanguageWordMeaning
1EnglisheponymA real or fictitious person's name that has given...
2Latineponymus
3Ancient Greekἐπώνυμοςnamed in a significant manner, with a significant...
4Ancient Greekἐπίas well, besides; For usage in composition, see...
5Ancient GreekἩμέρα
6Ancient Greekἦμαρday; by day; midday
7Proto-Hellenicā́mərday
8Proto-Indo-Europeanh₂eh₃mr̥heat
9Proto-Indo-Europeanh₂eh₃-to be hot; to burn

via English Y

StepLanguageWordMeaning
1EnglishYA figure or mark in the shape of the letter Y; A...
2EnglishyuriA narrative or visual work featuring a romance or...
3Japanese百合lily
4Japanese連用形an inflectional category: the continuative or...
5Japanese見るto see, to watch, to observe, to look at...
6Japanesea dream; a vision; leaving reality to the state...
7Old Japanesea dream
8Japanesean order in biology: smaller than a class, bigger...
9Middle Chinese
Every word from Proto-Indo-European h₂eh₃-Every word from Proto-Indo-European h₂eh₃mr̥Every word from Proto-Hellenic ā́mər