Where does “ardu-” come from?

ardu- (Gaulish) comes from Northern Kurdish du, from Proto-Iranian duHmáh, from Proto-Indo-Iranian dʰuHmás, from Proto-Indo-European dʰuh₂mós, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

ardu- (Gaulish): high, in altitude

Definitions

  1. high, in altitude

Ancestry of “ardu-”, step by step

StepLanguageWordMeaning
1Northern Kurdishdutwo
2Proto-IranianduHmáh
3Proto-Indo-IraniandʰuHmásmist, fog; smoke
4Proto-Indo-Europeandʰuh₂móssmoke
5Proto-Indo-Europeandʰewh₂-smoke; mist, haze

Words derived from “ardu-

Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Indo-European dʰuh₂mósEvery word from Proto-Indo-Iranian dʰuHmás