Where does “daa-chassagh” come from?

daa-chassagh (Manx) comes from Manx daa, from Old Irish dá, from Proto-Celtic dwau, from Proto-Brythonic dọw, from Proto-Celtic *duwo, from Proto-Indo-European dwóh₁ — two.

daa-chassagh (Manx): two-footed, bipedal

Definitions

  1. two-footed, bipedal

Ancestry of “daa-chassagh”, step by step

daa-chassagh traces back through two separate lines of ancestry.

via Manx daa

StepLanguageWordMeaning
1Manxdaatwo
2Old Irishdátwo
3Proto-Celticdwautwo
4Proto-Brythonicdọwtwo
5Proto-Celtic*duwotwo
6Proto-Indo-Europeandwóh₁two

via Manx cass

StepLanguageWordMeaning
1Manxcassfoot, leg
2Old Irishcosfoot; leg
3Proto-Celtickoxsāleg, foot
4Proto-Indo-Europeankoḱs-joint
Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Celtic *duwo →Every word from Proto-Brythonic dọw →