Where does “cathach” come from?

cathach (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.

cathach (Old Irish): bellicose, warlike; vehement, forceful; relic,...

Definitions

  1. bellicose, warlike; vehement, forceful; relic,...

Ancestry of “cathach”, 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 “cathach”

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