Malay kau

← Proto-Austronesian *(i-)kaSu (derived)

← Malay engkau (mention)

← Proto-Malayic *kau(ʔ) (inherited)

← Proto-Malayo-Polynesian *(i-)kahu (derived)

→ Toba Batak ho (cognate)

→ Indonesian kau (inherited)

→ Indonesian kau- (mention)

→ Malay kau orang (compound)

→ Malay kau- (mention)

→ Tetum ó (cognate)

→ Urak Lawoi' เกา (cognate)