Where does “ptère” come from?

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

ptère (French): wing of the sphenoid bone

Definitions

  1. wing of the sphenoid bone

Ancestry of “ptère”, step by step

StepLanguageWordMeaning
1Ancient Greekπτερόνfeather; wing; Any winged creature
2Proto-Indo-Europeanpéth₂r̥wing; feather
3Proto-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 →