Bahnar pơtăm

← Khmu - (cognate)

← Proto-Bahnaric *ptam (inherited)

← Proto-Palaungic *cɤ/am (cognate)

← Proto-Mon-Khmer *t₂am (inherited)

← Old Mon ptaṁ (cognate)

← Riang - (cognate)

← Baha - (cognate)