Where does “nau” come from?

nau (Old Breton) comes from Proto-Brythonic naw, from Proto-Celtic nawan, from Proto-Austronesian *nihawa, from Proto-Austronesian niSawa — breath.

Ancestry of “nau”, step by step

StepLanguageWordMeaning
1Proto-Brythonicnawnine
2Proto-Celticnawannine
3Proto-Austronesian*nihawa—
4Proto-AustronesianniSawabreath

Words derived from “nau”

Every word from Proto-Austronesian niSawa →Every word from Proto-Austronesian *nihawa →Every word from Proto-Celtic nawan →