Maori au

← Proto-Austronesian *(i-)aku (inherited)

← Maori ahau (link)

← Proto-Central-Eastern Malayo-Polynesian *(i-)aku (inherited)

← Proto-Central-Eastern Malayo-Polynesian *qaʀus (inherited)

← Proto-Oceanic *(i-)au (inherited)

← Proto-Oceanic *qaʀus (inherited)

← Proto-Polynesian *au (inherited)

← Proto-Polynesian *qau (inherited)

← Proto-Malayo-Polynesian *(i-)aku (inherited)

← Proto-Malayo-Polynesian *qaʀus (inherited)

← Proto-Eastern Malayo-Polynesian *(i-)aku (inherited)

← Proto-Eastern Malayo-Polynesian *qaʀus (inherited)

→ Rapa Nui au (cognate)

→ Rapa Nui 'au (cognate)

→ Tokelauan au (cognate)

→ Tokelauan au (cognate)