Where does “सुरङ्गा” come from?

सुरङ्गा (Sanskrit) comes from Ancient Greek Σῦρῐγξ.

Ancestry of “सुरङ्गा”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Σῦρῐγξ	—

सुरङ्गा — Etymology, Origin & Word History | Etymology Explorer