Where does “daa-heedragh” come from?
daa-heedragh (Manx) comes from Manx daa-, 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-heedragh (Manx): dihedral
Ancestry of “daa-heedragh”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Manx | daa- | di-, bi-, two-, ambi-, double- |
| 2 | Manx | daa | two |
| 3 | Old Irish | dá | two |
| 4 | Proto-Celtic | dwau | two |
| 5 | Proto-Brythonic | dọw | two |
| 6 | Proto-Celtic | *duwo | — |
| 7 | Proto-Indo-European | dwóh₁ | two |