Etymology Explorer › Old Irish

Where does “cathbarr” come from?

cathbarr (Old Irish) comes 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 “cathbarr”, step by step

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

Words derived from “cathbarr”

  • cafarr
Every word from Proto-Indo-European -tus →