cuartito
small room
cuarto
room
+
-ito
diminutive suffix
Cuartito means small room. It's composed of cuarto0 (room0) + -ito1 (diminutive suffix1), indicating a small or cute room.
noun
- small roomA small room or chamberGuardamos las herramientas en el cuartito del jardín. // We keep the tools in the small room in the garden.