Where does “Puțuri” come from?

Puțuri (Romanian) comes from Romanian puț, from Latin puteus, from Latin -al — noun-forming suffix.

Ancestry of “Puțuri”, step by step

Step	Language	Word	Meaning
1	Romanian	puț	well
2	Latin	puteus	pit, dungeon; well; cistern
3	Latin	-al	noun-forming suffix