Where does “rua” come from?

rua (Rapa Nui) comes from Proto-Eastern Polynesian rua, 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 — two.

rua (Rapa Nui): two; leaf; vomit

Definitions

  1. two; leaf; vomit

Ancestry of “rua”, step by step

rua traces back through two separate lines of ancestry.

via Proto-Eastern Polynesian rua

StepLanguageWordMeaning
1Proto-Eastern Polynesianrua—
2Proto-Nuclear Polynesianrua—
3Proto-Polynesianruatwo
4Proto-Oceanicruatwo
5Proto-Eastern Malayo-Polynesianduha—
6Proto-Central-Eastern Malayo-Polynesianduha—
7Proto-Malayo-Polynesianduhatwo
8Proto-Austronesian*duha—
9Proto-AustronesianduSatwo

via Proto-Polynesian *lua

StepLanguageWordMeaning
1Proto-Polynesian*lua—
2Proto-Oceanicluaq—
3Proto-Malayo-Polynesianluaq—
Every word from Proto-Austronesian duSa →Every word from Proto-Austronesian *duha →Every word from Proto-Malayo-Polynesian duha →