Where does “cadarnhau” come from?

cadarnhau (Welsh) comes from Welsh cadarn, from Proto-Brythonic catarno, from Proto-Celtic katus, from Proto-Indo-European kéh₃tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

cadarnhau (Welsh): to strengthen, make fast or firm, secure,...

Definitions

  1. to strengthen, make fast or firm, secure,...

Ancestry of “cadarnhau”, step by step

StepLanguageWordMeaning
1Welshcadarnstrong, powerful; firm, fast
2Proto-Brythoniccatarno
3Proto-Celtickatusbattle
4Proto-Indo-Europeankéh₃tusfight
5Proto-Indo-European-tusDerives action nouns from verb roots

Words derived from “cadarnhau

Every word from Proto-Indo-European -tusEvery word from Proto-Indo-European kéh₃tusEvery word from Proto-Celtic katus