Where does “νυχθήμερον” come from?

νυχθήμερον (Ancient Greek) comes 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.

νυχθήμερον (Ancient Greek): a day and night, the space of 24 hours

Definitions

  1. a day and night, the space of 24 hours

Ancestry of “νυχθήμερον”, step by step

νυχθήμερον traces back through two separate lines of ancestry.

via Ancient Greek Ἡμέρα

StepLanguageWordMeaning
1Ancient GreekἩμέρα
2Ancient Greekἦμαρday; by day; midday
3Proto-Hellenicā́mərday
4Proto-Indo-Europeanh₂eh₃mr̥heat
5Proto-Indo-Europeanh₂eh₃-to be hot; to burn

via Ancient Greek Νύξ

StepLanguageWordMeaning
1Ancient GreekΝύξNyx
2Ancient Greekνύξnight
3Proto-Indo-Europeannókʷtsnight
4Proto-Indo-Europeannegʷ-bare, naked

Words derived from “νυχθήμερον

Every word from Proto-Indo-European h₂eh₃-Every word from Proto-Indo-European h₂eh₃mr̥Every word from Proto-Hellenic ā́mər