Where does “elicoidal” come from?

elicoidal (Romanian) comes from French hélicoïdal, 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.

elicoidal (Romanian): spiral

Definitions

  1. spiral

Ancestry of “elicoidal”, step by step

StepLanguageWordMeaning
1Frenchhélicoïdalhelicoidal
2Frenchhélicoïdehelicoid
3Ancient Greekἑλικοειδήςof spiral form; spiral
4Ancient GreekἕλιξAnything twisted, winding, or spiral; The tendril...
5Ancient Greekπτερόνfeather; wing; Any winged creature
6Proto-Indo-Europeanpéth₂r̥wing; feather
7Proto-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
elicoidal — Etymology, Origin & Word History | Etymology Explorer