Where does “шпелунка” come from?

шпелунка (Serbo-Croatian) comes from German Spelunke, from Latin spēlunca, from Ancient Greek σπῆλυγξ, from Ancient Greek σπέος — cave, cavern, grotto.

шпелунка (Serbo-Croatian): A dark, unpleasant, cavern-like room or building,...

Definitions

A dark, unpleasant, cavern-like room or building,...

Ancestry of “шпелунка”, step by step

Step	Language	Word	Meaning
1	German	Spelunke	bar; shack
2	Latin	spēlunca	cave; cavern; chasm
3	Ancient Greek	σπῆλυγξ	cave
4	Ancient Greek	σπέος	cave, cavern, grotto

Every word from Ancient Greek σπέος →Every word from Ancient Greek σπῆλυγξ →Every word from Latin spēlunca →