Where does “Domhnall” come from?

Domhnall (English) comes from Irish Domhnall, from Old Irish Domnall, from Proto-Celtic Dubnowalos, from Proto-Celtic dubnos, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “Domhnall”, step by step

StepLanguageWordMeaning
1IrishDomhnall—
2Old IrishDomnall—
3Proto-CelticDubnowalosprince/chief of the world; prince / chief of the...
4Proto-Celticdubnosdeep; world
5Proto-Indo-Europeandʰewbʰ-deep
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Indo-European dʰewbʰ- →Every word from Proto-Celtic dubnos →