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