Where does “tadau” come from?

tadau (Welsh) comes from Welsh tad, from Middle Welsh tad, from Proto-Brythonic tad, from Proto-Celtic tatos.

tadau (Welsh): plural of tad

Definitions

  1. plural of tad

Ancestry of “tadau”, step by step

tadau traces back through two separate lines of ancestry.

via Welsh tad

StepLanguageWordMeaning
1Welshtadfather
2Middle Welshtad—
3Proto-Brythonictadfather
4Proto-Celtictatos—

via Proto-Austronesian *qaləjaw

StepLanguageWordMeaning
1Proto-Austronesian*qaləjaw—
Every word from Proto-Celtic tatos →Every word from Proto-Brythonic tad →Every word from Middle Welsh tad →