Where does “gwo-” come from?
gwo- (Middle Welsh) comes from Old Welsh guo-, from Proto-Brythonic gwo-, from Proto-Celtic uɸo-, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.
Ancestry of “gwo-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Welsh | guo- | — |
| 2 | Proto-Brythonic | gwo- | sub-, under |
| 3 | Proto-Celtic | uɸo- | sub-, under |
| 4 | Proto-Indo-European | upó | under, below |
| 5 | Proto-Indo-European | h₃ewp- | — |
Words derived from “gwo-”