Where does “χειρονομία” come from?

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

χειρονομία (Greek): gesture, gesticulation; commendable act

Definitions

gesture, gesticulation; commendable act

Ancestry of “χειρονομία”, step by step

Step	Language	Word	Meaning
1	Greek	χειρό-	Alternative form of χειρο-; hand
2	Ancient Greek	χείρ	hand
3	Ancient Greek	πτερόν	feather; wing; Any winged creature
4	Proto-Indo-European	péth₂r̥	wing; feather
5	Proto-Indo-European	peth₂-	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 →