Where does “duālis” come from?
duālis (Latin) comes from Latin duō, from Proto-Italic duō, from Proto-Indo-European dwóh₁ — two.
Ancestry of “duālis”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | duō | — |
| 2 | Proto-Italic | duō | two |
| 3 | Proto-Indo-European | dwóh₁ | two |