Where does “*irarua” come from?

*irarua (Proto-Oceanic) comes 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 “*irarua”, step by step

StepLanguageWordMeaning
1Proto-Oceanicruatwo
2Proto-Eastern Malayo-Polynesianduha—
3Proto-Central-Eastern Malayo-Polynesianduha—
4Proto-Malayo-Polynesianduhatwo
5Proto-Austronesian*duha—
6Proto-AustronesianduSatwo
Every word from Proto-Austronesian duSa →