Where does “eupneic” come from?

eupneic (English) comes from English eupnea, 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.

eupneic (English): Characterized by eupnea; possessing healthy...

Definitions

  1. Characterized by eupnea; possessing healthy...

Ancestry of “eupneic”, step by step

eupneic traces back through two separate lines of ancestry.

via English eupnea

StepLanguageWordMeaning
1EnglisheupneaNormal, relaxed breathing; healthy condition of...
2Englisheu-good, well; true, genuine
3Ancient Greekεὖwell
4Ancient Greekἐΰςgood, brave, noble
5Proto-Hellenicehu-good
6Proto-Indo-Europeanh₁su-good
7Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Proto-Indo-European h₁wes-Every word from Proto-Indo-European h₁su-Every word from Proto-Hellenic ehu-