Where does “triwec'h” come from?
triwec'h (Breton) comes from Breton tri, from Middle Breton try, from Old Breton tri, from Proto-Brythonic tri, from Proto-Celtic trīs, from Proto-Indo-European *tréyes.
triwec'h (Breton): eighteen
Ancestry of “triwec'h”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Breton | tri | three |
| 2 | Middle Breton | try | — |
| 3 | Old Breton | tri | — |
| 4 | Proto-Brythonic | tri | three |
| 5 | Proto-Celtic | trīs | three |
| 6 | Proto-Indo-European | *tréyes | — |