Where does “trihemeral” come from?

trihemeral (English) comes from English hemeral, from Ancient Greek Ἡμέρα, from Ancient Greek ἦμαρ, from Proto-Hellenic ā́mər, from Proto-Indo-European h₂eh₃mr̥, from Proto-Indo-European h₂eh₃- — to be hot; to burn.

trihemeral (English): Relating to a period of three days

Definitions

  1. Relating to a period of three days

Ancestry of “trihemeral”, step by step

trihemeral traces back through two separate lines of ancestry.

via English hemeral

StepLanguageWordMeaning
1EnglishhemeralDaily; circadian; cyclical, with a period of 24...
2Ancient GreekἩμέρα
3Ancient Greekἦμαρday; by day; midday
4Proto-Hellenicā́mərday
5Proto-Indo-Europeanh₂eh₃mr̥heat
6Proto-Indo-Europeanh₂eh₃-to be hot; to burn

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European h₂eh₃-Every word from Proto-Indo-European h₂eh₃mr̥Every word from Proto-Hellenic ā́mər