Where does “rua” come from?
rua (Proto-Eastern Polynesian) comes from Proto-Nuclear Polynesian rua, from Proto-Polynesian rua, from Proto-Oceanic rua, from Proto-Eastern Malayo-Polynesian duha, from Proto-Central-Eastern Malayo-Polynesian duha, from Proto-Malayo-Polynesian duha, from Proto-Austronesian *duha, from Proto-Austronesian duSa — two.
Ancestry of “rua”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Nuclear Polynesian | rua | — |
| 2 | Proto-Polynesian | rua | two |
| 3 | Proto-Oceanic | rua | — |
| 4 | Proto-Eastern Malayo-Polynesian | duha | — |
| 5 | Proto-Central-Eastern Malayo-Polynesian | duha | — |
| 6 | Proto-Malayo-Polynesian | duha | two |
| 7 | Proto-Austronesian | *duha | — |
| 8 | Proto-Austronesian | duSa | two |