Where does “*gwuɨð” come from?
*gwuɨð (Proto-Brythonic) comes from Proto-Celtic *weidus, from Proto-Indo-European h₁weydʰh₁-, from Proto-Indo-European dwi-, from Proto-Indo-European dwóh₁ — two.
Ancestry of “*gwuɨð”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Celtic | *weidus | — |
| 2 | Proto-Indo-European | h₁weydʰh₁- | to separate, divide |
| 3 | Proto-Indo-European | dwi- | two; apart, asunder |
| 4 | Proto-Indo-European | dwóh₁ | two |