Where does “tolu” come from?

tolu (Proto-Eastern Malayo-Polynesian) comes from Proto-Central-Eastern Malayo-Polynesian təlu, from Proto-Malayo-Polynesian təlu, from Proto-Austronesian təlu — three.

Ancestry of “tolu”, step by step

StepLanguageWordMeaning
1Proto-Central-Eastern Malayo-Polynesiantəlu—
2Proto-Malayo-Polynesiantəluthree
3Proto-Austronesiantəluthree
Every word from Proto-Austronesian təlu →Every word from Proto-Malayo-Polynesian təlu →Every word from Proto-Central-Eastern Malayo-Polynesian təlu →