Where does “dubh-lomán” come from?

dubh-lomán (Irish) comes from Irish dubh, from Old Irish dub, from Proto-Celtic dubus, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “dubh-lomán”, step by step

dubh-lomán traces back through two separate lines of ancestry.

via Irish dubh

StepLanguageWordMeaning
1Irishdubhblack; black-haired
2Old Irishdubblack; morally dark, dire, gloomy, melancholy;...
3Proto-Celticdubusblack
4Proto-Indo-Europeandʰewbʰ-deep
5Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Irish lomán

StepLanguageWordMeaning
1Irishlománbare, stripped, tree-trunk; log; log

Words derived from “dubh-lomán

Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Indo-European dʰewbʰ-Every word from Proto-Celtic dubus