Where does “rua” come from?

rua (Tetum) comes from Proto-Central-Eastern Malayo-Polynesian dua, from Proto-Malayo-Polynesian duha, from Proto-Austronesian *duha, from Proto-Austronesian duSa — two.

rua (Tetum): two

Definitions

  1. two

Ancestry of “rua”, step by step

StepLanguageWordMeaning
1Proto-Central-Eastern Malayo-Polynesiandua—
2Proto-Malayo-Polynesianduhatwo
3Proto-Austronesian*duha—
4Proto-AustronesianduSatwo
Every word from Proto-Austronesian duSa →Every word from Proto-Austronesian *duha →Every word from Proto-Malayo-Polynesian duha →