Where does “ardesia” come from?

ardesia (Latin) comes from Gaulish ardu-, 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.

Ancestry of “ardesia”, step by step

StepLanguageWordMeaning
1Gaulishardu-high, in altitude
2Northern Kurdishdutwo
3Proto-IranianduHmáh—
4Proto-Indo-IraniandʰuHmásmist, fog; smoke
5Proto-Indo-Europeandʰuh₂móssmoke
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Indo-European dʰuh₂mós →Every word from Proto-Indo-Iranian dʰuHmás →
ardesia — Etymology, Origin & Word History | Etymology Explorer