Where does “hidap” come from?

hidap (Bikol Central) comes from Tagalog hirap, from Proto-Malayo-Polynesian *hidap.

Ancestry of “hidap”, step by step

Step	Language	Word	Meaning
1	Tagalog	hirap	difficulty; hardship of a task or action
2	Proto-Malayo-Polynesian	*hidap	—