Where does “ὀρθόπνοια” come from?

ὀρθόπνοια (Ancient Greek) comes from Ancient Greek ὀρθός, from Proto-Hellenic ortʰwós, from Proto-Indo-European h₃r̥dʰwós, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.

ὀρθόπνοια (Ancient Greek): upright breathing, orthopnoea, a type of asthma...

Definitions

  1. upright breathing, orthopnoea, a type of asthma...

Ancestry of “ὀρθόπνοια”, step by step

ὀρθόπνοια traces back through two separate lines of ancestry.

via Ancient Greek ὀρθός

StepLanguageWordMeaning
1Ancient Greekὀρθόςstraight, upright, erect; straight forward, in a...
2Proto-Hellenicortʰwós
3Proto-Indo-Europeanh₃r̥dʰwós
4Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
5Proto-Indo-European-wósCreates adjectives from verb stems

via Ancient Greek πνέω

StepLanguageWordMeaning
1Ancient GreekπνέωI blow; to breathe; 458 BCE, Aeschylus, The...
2Proto-Indo-Europeanpnew-to pant, breathe

Words derived from “ὀρθόπνοια

Every word from Proto-Indo-European -wósEvery word from Proto-Indo-European h₃erdʰ-Every word from Proto-Indo-European h₃r̥dʰwós