Where does “pteroid” come from?

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

pteroid (English): A bone, found only in pterosaurs, that connected...

Definitions

  1. A bone, found only in pterosaurs, that connected...

Ancestry of “pteroid”, 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 →