Where does “tri” come from?
tri (Esperanto) comes from English three, from Middle English thre, from Old English þrī, from Proto-West Germanic þrīʀ, from Proto-Germanic þrīz, from Proto-Indo-European *tréyes.
tri (Esperanto): three
Ancestry of “tri”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | three | A numerical value after two and before four.... |
| 2 | Middle English | thre | three |
| 3 | Old English | þrī | — |
| 4 | Proto-West Germanic | þrīʀ | three |
| 5 | Proto-Germanic | þrīz | three |
| 6 | Proto-Indo-European | *tréyes | — |