Where does “nonephemeral” come from?

nonephemeral (English) comes from English ephemeral, from Late Latin ephemerus, from Ancient Greek ἐφήμερος, from Ancient Greek ἐπι-, from Ancient Greek ἐπί, from Ancient Greek Ἡμέρα, from Ancient Greek ἦμαρ, from Proto-Hellenic ā́mər — to be hot; to burn.

nonephemeral (English): Not ephemeral

Definitions

  1. Not ephemeral

Ancestry of “nonephemeral”, step by step

nonephemeral traces back through two separate lines of ancestry.

via English ephemeral

StepLanguageWordMeaning
1EnglishephemeralSomething which lasts for a short period of time;...
2Late Latinephemerus
3Ancient Greekἐφήμεροςliving only one day; short-lived; for a day;...
4Ancient Greekἐπι-on, upon, on top of, all over, covering; on,...
5Ancient Greekἐπίas well, besides; For usage in composition, see...
6Ancient GreekἩμέρα
7Ancient Greekἦμαρday; by day; midday
8Proto-Hellenicā́mərday
9Proto-Indo-Europeanh₂eh₃mr̥heat
10Proto-Indo-Europeanh₂eh₃-to be hot; to burn

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European h₂eh₃-Every word from Proto-Indo-European h₂eh₃mr̥Every word from Proto-Hellenic ā́mər