Where does “dwī” come from?
dwī (Proto-Celtic) comes from Proto-Indo-European dwih₂, from Proto-Indo-European dwóh₁ — two.
Ancestry of “dwī”, step by step
dwī traces back through two separate lines of ancestry.
via Proto-Indo-European dwih₂
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Proto-Indo-European | dwih₂ | — |
| 2 | Proto-Indo-European | dwóh₁ | two |
via Proto-Indo-European dw-ih₂
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Proto-Indo-European | dw-ih₂ | — |