Where does “tuo” come from?
tuo (Middle English) comes from Old English twā, from Old English twēġen, from Proto-West Germanic twai-, from Proto-Germanic twai, from Proto-Indo-European dwóh₁ — two.
tuo (Middle English): two
Ancestry of “tuo”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old English | twā | two |
| 2 | Old English | twēġen | two; twain |
| 3 | Proto-West Germanic | twai- | two |
| 4 | Proto-Germanic | twai | two |
| 5 | Proto-Indo-European | dwóh₁ | two |