Where does “antihelicopter” come from?

antihelicopter (English) 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.

antihelicopter (English): Intended for use against helicopters

Definitions

  1. Intended for use against helicopters

Ancestry of “antihelicopter”, step by step

antihelicopter traces back through two separate lines of ancestry.

via English helicopter

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

via English anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite
Every word from Proto-Indo-European peth₂-Every word from Proto-Indo-European péth₂r̥Every word from Ancient Greek πτερόν