Samoan ua

← Hawaiian ua (cognate)

← Proto-Austronesian *quzaN (inherited)

← Maori ua (cognate)

← Proto-Oceanic *qusan (inherited)

← Proto-Polynesian *quha (inherited)

← Proto-Malayo-Polynesian *quzan (inherited)

→ Niuean uha (cognate)

→ Tongan ʻuha (cognate)