Where does “Mindanao” come from?

Mindanao (Spanish) comes from Spanish Maguindánao, from Maguindanao Magindanaw, from Maguindanao maginged, from Maguindanao inged.

Ancestry of “Mindanao”, step by step

Step	Language	Word	Meaning
1	Spanish	Maguindánao	—
2	Maguindanao	Magindanaw	—
3	Maguindanao	maginged	—
4	Maguindanao	inged	—