Where does “Pitoy” come from?

Pitoy (Tagalog) comes from Spanish Agapito, from Ancient Greek Ἀγαπητός, from Ancient Greek -τός, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

Ancestry of “Pitoy”, step by step

Step	Language	Word	Meaning
1	Spanish	Agapito	—
2	Ancient Greek	Ἀγαπητός	beloved
3	Ancient Greek	-τός	creates verbal adjectives of possibility, either...
4	Proto-Indo-European	-tós	Creates verbal adjectives from verb stems

Every word from Proto-Indo-European -tós →Every word from Ancient Greek -τός →Every word from Ancient Greek Ἀγαπητός →