Where does “tree-uillinagh” come from?
tree-uillinagh (Manx) comes from Manx tree-, from Manx three, from Manx tree, from Old Irish trí, from Proto-Celtic trīs, from Proto-Indo-European *tréyes.
tree-uillinagh (Manx): triangular
Ancestry of “tree-uillinagh”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Manx | tree- | tri- |
| 2 | Manx | three | Alternative spelling of tree |
| 3 | Manx | tree | three |
| 4 | Old Irish | trí | three |
| 5 | Proto-Celtic | trīs | three |
| 6 | Proto-Indo-European | *tréyes | — |