Where does “ap-apo” come from?

ap-apo (Ilocano) comes from Ilocano apo, from Proto-Malayo-Polynesian ampu, from Proto-Austronesian apu — grandparent; grandchild; grandparent/grandchild;...

Ancestry of “ap-apo”, step by step

Step	Language	Word	Meaning
1	Ilocano	apo	grandparent; master; mistress; sir; madam
2	Proto-Malayo-Polynesian	ampu	grandparent/grandchild
3	Proto-Austronesian	apu	grandparent; grandchild; grandparent/grandchild;...

Every word from Proto-Austronesian apu →