Where does “tri” come from?
tri (Breton) comes from Middle Breton try, from Old Breton tri, from Proto-Brythonic tri, from Proto-Celtic trīs, from Proto-Indo-European *tréyes.
tri (Breton): three
Ancestry of “tri”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Middle Breton | try | — |
| 2 | Old Breton | tri | — |
| 3 | Proto-Brythonic | tri | three |
| 4 | Proto-Celtic | trīs | three |
| 5 | Proto-Indo-European | *tréyes | — |