Where does “Ó Deághaidh” come from?

Ó Deághaidh (Irish) comes from Irish Deághadh, from Scottish Gaelic deagh, from Old Irish deg-, from Old Irish dí, from Proto-Celtic dī, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

Ancestry of “Ó Deághaidh”, step by step

StepLanguageWordMeaning
1IrishDeághadh
2Scottish Gaelicdeaghgood, excellent, worthy
3Old Irishdeg-
4Old Irishthird-person singular feminine of di: from her;...
5Proto-Celticfrom
6Proto-Indo-EuropeandeEmphatic or contrastive particle, and, but;...

Words derived from “Ó Deághaidh

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