Where does “coil(i)ou” come from?
coil(i)ou (Old Welsh) comes from Proto-Brythonic koïl, from Proto-Celtic kailo-, from Proto-Indo-European kóylos — healthy, whole; safe, unharmed.
Ancestry of “coil(i)ou”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Brythonic | koïl | omen, augury |
| 2 | Proto-Celtic | kailo- | — |
| 3 | Proto-Indo-European | kóylos | healthy, whole; safe, unharmed |
Words derived from “coil(i)ou”