Where does “Trigonopterus” come from?

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

Trigonopterus (Translingual): genus

Definitions

genus

Ancestry of “Trigonopterus”, step by step

Step	Language	Word	Meaning
1	Translingual	-pterus	—
2	Ancient Greek	πτερόν	feather; wing; Any winged creature
3	Proto-Indo-European	péth₂r̥	wing; feather
4	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 →