Where does “deri” come from?
deri (Cornish) comes from Cornish dar, from Proto-Brythonic dar, from Proto-Celtic daru, from Proto-Indo-European dóru, from Proto-Indo-European drew- — hard, firm, strong, solid; hard, fast; tree.
deri (Cornish): plural of dar
Ancestry of “deri”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Cornish | dar | oak |
| 2 | Proto-Brythonic | dar | oak tree |
| 3 | Proto-Celtic | daru | oak |
| 4 | Proto-Indo-European | dóru | tree |
| 5 | Proto-Indo-European | drew- | hard, firm, strong, solid; hard, fast; tree |