Where does “קוביא” come from?

קוביא (Aramaic) comes from Ancient Greek κυβεία, from Ancient Greek κύβος — square; cube; die, dice.

Ancestry of “קוביא”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	κυβεία	dice playing
2	Ancient Greek	κύβος	square; cube; die, dice