Where does “deathach” come from?

deathach (Middle Irish) comes from Old Irish Dé, from Proto-Celtic dwīyūss, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “deathach”, step by step

StepLanguageWordMeaning
1Old IrishDévocative/genitive singular of Día
2Proto-Celticdwīyūss—
3Proto-Indo-Europeandʰewh₂-smoke; mist, haze

Words derived from “deathach”

Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dwīyūss →Every word from Old Irish Dé →