Where does “nau” come from?

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

Ancestry of “nau”, step by step

StepLanguageWordMeaning
1Old Bretonnau—
2Proto-Brythonicnawnine
3Proto-Celticnawannine
4Proto-Austronesian*nihawa—
5Proto-AustronesianniSawabreath

Words derived from “nau”

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