Where does “masmorra” come from?

masmorra (Catalan) comes from Spanish mazmorra, from Arabic مَطْمُورَة — granary, cellar.

masmorra (Catalan): dungeon

Definitions

Step	Language	Word	Meaning
1	Spanish	mazmorra	dungeon
2	Arabic	مَطْمُورَة	granary, cellar

masmorra — Etymology, Origin & Word History | Etymology Explorer