Where does “adūne” come from?

adūne (Old English) comes from Old English ofdūne, from Old English dūn, from Proto-Germanic *dūnā, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “adūne”, step by step

adūne traces back through two separate lines of ancestry.

via Old English ofdūne

StepLanguageWordMeaning
1Old Englishofdūneoff the hill; down
2Old Englishdūnhill, down; hill, dune; hill, mountain
3Proto-Germanic*dūnā
4Proto-Celticdūnomstronghold, rampart
5Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Old English of dūne

StepLanguageWordMeaning
1Old Englishof dūneoff the hill

Words derived from “adūne

Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Proto-Germanic *dūnā