Where does “eucapnia” come from?

eucapnia (English) comes from English eu, from Ancient Greek εὖ, from Ancient Greek ἐΰς, from Proto-Hellenic ehu-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.

eucapnia (English): The condition of having a normal, healthy...

Definitions

  1. The condition of having a normal, healthy...

Ancestry of “eucapnia”, step by step

StepLanguageWordMeaning
1Englisheu—
2Ancient Greekεὖwell
3Ancient Greekἐΰςgood, brave, noble
4Proto-Hellenicehu-good
5Proto-Indo-Europeanh₁su-good
6Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast
Every word from Proto-Indo-European h₁wes- →Every word from Proto-Indo-European h₁su- →Every word from Proto-Hellenic ehu- →