Where does “nakakabingi” come from?

nakakabingi (Tagalog) comes from Tagalog bingi, from Proto-Malayo-Polynesian *bəŋəl.

Ancestry of “nakakabingi”, step by step

Step	Language	Word	Meaning
1	Tagalog	bingi	deaf; hard of hearing
2	Proto-Malayo-Polynesian	*bəŋəl	—