Where does “anti-hélice” come from?

anti-hélice (Portuguese) comes from Portuguese hélice, from Latin helīx, from Ancient Greek ἕλιξ, from Ancient Greek πτερόν, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

anti-hélice (Portuguese): antihelix

Definitions

  1. antihelix

Ancestry of “anti-hélice”, step by step

StepLanguageWordMeaning
1Portuguesehélicea rotating propeller, such as a ship’s screw or a...
2Latinhelīxa kind of ivy
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