Where does “Donnchadh” come from?

Donnchadh (Scottish Gaelic) comes from Old Irish Donnchad, from Old Irish cath, from Primitive Irish ᚉᚐᚈᚈᚒ, from Proto-Celtic katus, from Proto-Indo-European kéh₃tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “Donnchadh”, step by step

Donnchadh traces back through 3 separate lines of ancestry.

via Old Irish Donnchad

StepLanguageWordMeaning
1Old IrishDonnchad—
2Old Irishcathbattle, fight; troop, battalion
3Primitive Irishᚉᚐᚈᚈᚒbattle
4Proto-Celtickatusbattle
5Proto-Indo-Europeankéh₃tusfight
6Proto-Indo-European-tusDerives action nouns from verb roots

via Irish Donn

StepLanguageWordMeaning
1IrishDonnthe legendary ancestor of the Gaels

via Irish cath

StepLanguageWordMeaning
1Irishcathbattle; conflict, trial; battalion

Words derived from “Donnchadh”

Every word from Proto-Indo-European -tus →Every word from Proto-Indo-European kéh₃tus →Every word from Proto-Celtic katus →