Where does “elicoid” come from?

elicoid (Romanian) comes from French hélicoïde, from Ancient Greek ἑλικοειδής, from Ancient Greek ἕλιξ, from Ancient Greek πτερόν, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

elicoid (Romanian): helicoid

Definitions

  1. helicoid

Ancestry of “elicoid”, step by step

StepLanguageWordMeaning
1Frenchhélicoïdehelicoid
2Ancient Greekἑλικοειδήςof spiral form; spiral
3Ancient GreekἕλιξAnything twisted, winding, or spiral; The tendril...
4Ancient Greekπτερόνfeather; wing; Any winged creature
5Proto-Indo-Europeanpéth₂r̥wing; feather
6Proto-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