Where does “dua” come from?
dua (Proto-Chamic) comes from Proto-Malayo-Polynesian duha, from Proto-Austronesian *duha, from Proto-Austronesian duSa — two.
Ancestry of “dua”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Malayo-Polynesian | duha | two |
| 2 | Proto-Austronesian | *duha | — |
| 3 | Proto-Austronesian | duSa | two |