Where does “gro” come from?
gro (Welsh) comes from Proto-Brythonic grọw, from Proto-Celtic grāwā, from Proto-Indo-European gʰroh₁weh₂, from Proto-Indo-European gʰreh₁w- — to grind.
gro (Welsh): gravel, pebbles
Ancestry of “gro”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Brythonic | grọw | gravel, pebbles |
| 2 | Proto-Celtic | grāwā | gravel, pebbles |
| 3 | Proto-Indo-European | gʰroh₁weh₂ | — |
| 4 | Proto-Indo-European | gʰreh₁w- | to grind |