Where does “sebiru” come from?

sebiru (Malay) comes from Malay se, from Malay ĕsă, from Proto-Malayic əsa, from Proto-Malayo-Chamic əsa, from Proto-Malayo-Sumbawan əsa, from Proto-Malayo-Polynesian əsa, from Proto-Austronesian *əsa, from Proto-Oceanic *isa.

Ancestry of “sebiru”, step by step

sebiru traces back through two separate lines of ancestry.

via Malay se

StepLanguageWordMeaning
1Malayseone
2MalayĕsăObsolete spelling of esa
3Proto-Malayicəsa
4Proto-Malayo-Chamicəsa
5Proto-Malayo-Sumbawanəsa
6Proto-Malayo-Polynesianəsaone
7Proto-Austronesian*əsa
8Proto-Oceanic*isa

via Malay biru

StepLanguageWordMeaning
1Malaybirublue
2Proto-Malayicbirublue
3Proto-Malayo-Polynesian(ma-)biʀawblue
Every word from Proto-Oceanic *isa