←
Proto-Austronesian *təlu (derived)←
Proto-Central-Eastern Malayo-Polynesian *təlu (derived)←
Proto-Oceanic *tolu (derived)←
Proto-Polynesian *tolu (derived)←
Proto-Malayo-Polynesian *təlu (derived)←
Proto-Eastern Malayo-Polynesian *təlu (derived)→
Hawaiian kākou (compound)→
Hawaiian mākou (compound)→
Rapa Nui toru (cognate)→
Tokelauan tolu (cognate)