Where does “der” come from?
der (Cornish) comes from Proto-Brythonic *truɨ, from Proto-Celtic *trei, from Proto-Indo-European terh₂- — to cross over, pass through, overcome.
Ancestry of “der”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Brythonic | *truɨ | — |
| 2 | Proto-Celtic | *trei | — |
| 3 | Proto-Indo-European | terh₂- | to cross over, pass through, overcome |