Where does “ptérobranche” come from?

ptérobranche (French) comes from English ptero-, from Ancient Greek πτερόν, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

ptérobranche (French): pterobranch

Definitions

  1. pterobranch

Ancestry of “ptérobranche”, step by step

StepLanguageWordMeaning
1Englishptero-wing or feather
2Ancient Greekπτερόνfeather; wing; Any winged creature
3Proto-Indo-Europeanpéth₂r̥wing; feather
4Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Ancient Greek πτερόν →