Where does “πτέρις” come from?

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

πτέρις (Ancient Greek): male fern; polypody; bracken

Definitions

  1. male fern; polypody; bracken

Ancestry of “πτέρις”, step by step

StepLanguageWordMeaning
1Ancient Greekπτερόνfeather; wing; Any winged creature
2Proto-Indo-Europeanpéth₂r̥wing; feather
3Proto-Indo-Europeanpeth₂-to spread out; to fly

Words derived from “πτέρις”

Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Ancient Greek πτερόν →