Proto-Malayo-Polynesian *ampu
→
Bikol Central apo (inherited)→
Cebuano apo (inherited)→
Hiligaynon apo (inherited)→
Ilocano apo (inherited)→
Kayapa Kallahan apo (inherited)→
Kankanaey apo (inherited)→
Tagalog apo (inherited)→
Waray-Waray apo (inherited)