Where does “Glenn Dá Locha” come from?

Glenn Dá Locha (Middle Irish) comes from Old Irish Glenn Dá Locha, from Old Irish dá, from Proto-Celtic dwau, from Proto-Brythonic dọw, from Proto-Celtic *duwo, from Proto-Indo-European dwóh₁ — two.

Ancestry of “Glenn Dá Locha”, step by step

StepLanguageWordMeaning
1Old IrishGlenn Dá Lochabest known for its monastery associated with St. Kevin
2Old Irishdátwo
3Proto-Celticdwautwo
4Proto-Brythonicdọwtwo
5Proto-Celtic*duwotwo
6Proto-Indo-Europeandwóh₁two

Words derived from “Glenn Dá Locha”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Celtic *duwo →Every word from Proto-Brythonic dọw →