Where does “puso” come from?

puso (English) comes from Cebuano puso, from Spanish pozo, from Old Spanish poço, from Latin puteus, from Latin -al — noun-forming suffix.

puso (English): Rice wrapped and boiled in a casing made of woven...

Definitions

Step	Language	Word	Meaning
1	Cebuano	puso	a water well that uses a hand pump to obtain...
2	Spanish	pozo	well
3	Old Spanish	poço	well (hole in the ground as a source of water or other fluids)
4	Latin	puteus	pit, dungeon; well; cistern
5	Latin	-al	noun-forming suffix