Where does “хеликоптер” come from?

хеликоптер (Serbo-Croatian) comes from English helicopter, from Esperanto helico, from French 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.

хеликоптер (Serbo-Croatian): helicopter (aircraft)

Definitions

  1. helicopter (aircraft)

Ancestry of “хеликоптер”, step by step

StepLanguageWordMeaning
1EnglishhelicopterAn aircraft that is borne along by one or more...
2Esperantohelicohelix
3Frenchhélicehelix; propeller
4Latinhelīxa kind of ivy
5Ancient GreekἕλιξAnything twisted, winding, or spiral; The tendril...
6Ancient Greekπτερόνfeather; wing; Any winged creature
7Proto-Indo-Europeanpéth₂r̥wing; feather
8Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Proto-Indo-European peth₂-