Where does “सुरंग” come from?

सुरंग (Hindi) comes from Sanskrit सुरङ्गा, from Ancient Greek Σῦρῐγξ.

सुरंग (Hindi): tunnel

Definitions

Step	Language	Word	Meaning
1	Sanskrit	सुरङ्गा	—
2	Ancient Greek	Σῦρῐγξ	—

सुरंग — Etymology, Origin & Word History | Etymology Explorer