←
Proto-Austronesian *(si-)ia (inherited)
←
Proto-Central-Eastern Malayo-Polynesian *ia (derived)
←
Proto-Oceanic *ia (inherited)
←
Proto-Polynesian *ia (inherited)
←
Proto-Malayo-Polynesian *(si-)ia (inherited)
←
Proto-Eastern Malayo-Polynesian *ia (inherited)