Where does “cheiropterygium” come from?

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

cheiropterygium (English): The typical pentadactyloid limb of the higher...

Definitions

  1. The typical pentadactyloid limb of the higher...

Ancestry of “cheiropterygium”, step by step

cheiropterygium traces back through two separate lines of ancestry.

via Ancient Greek πτερύγιον

StepLanguageWordMeaning
1Ancient Greekπτερύγιονwing, fin
2Ancient Greekπτέρυξwing; feathers; fins
3Ancient Greekπτερόνfeather; wing; Any winged creature
4Proto-Indo-Europeanpéth₂r̥wing; feather
5Proto-Indo-Europeanpeth₂-to spread out; to fly

via Ancient Greek χείρ

StepLanguageWordMeaning
1Ancient Greekχείρhand
2Proto-Hellenickʰéhər—
3Proto-Indo-Europeanǵʰésōrhand
4Proto-Indo-Europeanǵʰes-hand; take, give in exchange
Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Ancient Greek πτερόν →