Where does “dosom” come from?

dosom (Old Irish) comes from Old Irish dó, from Proto-Celtic *dū, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

Ancestry of “dosom”, step by step

StepLanguageWordMeaning
1Old Irishthird-person singular masculine and neuter of do;...
2Proto-Celtic*dūto, towards
3Proto-Indo-EuropeandeEmphatic or contrastive particle, and, but;...

Words derived from “dosom

Every word from Proto-Indo-European deEvery word from Proto-Celtic *dūEvery word from Old Irish