Where does “dà-theangach” come from?

dà-theangach (Scottish Gaelic) comes from Scottish Gaelic dà-, from Scottish Gaelic dà, from Old Irish dá, from Proto-Celtic dwau, from Proto-Brythonic dọw, from Proto-Celtic *duwo, from Proto-Indo-European dwóh₁ — two.

dà-theangach (Scottish Gaelic): bilingual, bilinguous; two-tongued

Definitions

  1. bilingual, bilinguous; two-tongued

Ancestry of “dà-theangach”, step by step

StepLanguageWordMeaning
1Scottish Gaelicdà-bi-, di-, two-
2Scottish Gaelicdàtwo
3Old Irishdátwo
4Proto-Celticdwautwo
5Proto-Brythonicdọwtwo
6Proto-Celtic*duwotwo
7Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Celtic *duwo →Every word from Scottish Gaelic dà- →