Where does “Ћаба” come from?

Ћаба (Serbo-Croatian) comes from Ottoman Turkish كعبه, from Arabic كَعْبَة — cube.

Ancestry of “Ћаба”, step by step

Step	Language	Word	Meaning
1	Ottoman Turkish	كعبه	—
2	Arabic	كَعْبَة	cube

Ћаба — Etymology, Origin & Word History | Etymology Explorer