Where does “acanthopteri” come from?

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

acanthopteri (English): A group of teleostean fishes having spiny fins....

Definitions

  1. A group of teleostean fishes having spiny fins....

Ancestry of “acanthopteri”, step by step

StepLanguageWordMeaning
1TranslingualAcanthopteriorder
2Ancient Greekπτερόνfeather; wing; Any winged creature
3Proto-Indo-Europeanpéth₂r̥wing; feather
4Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Proto-Indo-European peth₂-Every word from Proto-Indo-European péth₂r̥Every word from Ancient Greek πτερόν