Where does “nyibä” come from?

nyibä (Aiwoo) comes from Proto-Oceanic *mata-, from Proto-Eastern Malayo-Polynesian mata, from Proto-Central-Eastern Malayo-Polynesian mata, from Proto-Malayo-Polynesian mata, from Proto-Austronesian mata, from Proto-Austronesian maCa — eye organ.

Ancestry of “nyibä”, step by step

StepLanguageWordMeaning
1Proto-Oceanic*mata-eye organ
2Proto-Eastern Malayo-Polynesianmataeye
3Proto-Central-Eastern Malayo-Polynesianmataeye
4Proto-Malayo-Polynesianmataeye
5Proto-Austronesianmataeye
6Proto-AustronesianmaCaeye organ
Every word from Proto-Austronesian maCa →Every word from Proto-Austronesian mata →Every word from Proto-Malayo-Polynesian mata →