Where does “archdeyrniaeth” come from?

archdeyrniaeth (Welsh) comes from Welsh -iaeth, from Proto-Brythonic -aɨθ, from Proto-Celtic axtā.

archdeyrniaeth (Welsh): monarchy, kingdom, empire

Definitions

  1. monarchy, kingdom, empire

Ancestry of “archdeyrniaeth”, step by step

StepLanguageWordMeaning
1Welsh-iaethForms abstract nouns; territory controlled by,...
2Proto-Brythonic-aɨθ—
3Proto-Celticaxtā—
Every word from Proto-Celtic axtā →Every word from Welsh -iaeth →Every word from Proto-Brythonic -aɨθ →