Where does “gurga” come from?

gurga (Latin) comes from Latin gurges, from Proto-Indo-European gʷerh₃- — to swallow, devour, eat.

Ancestry of “gurga”, step by step

Step	Language	Word	Meaning
1	Latin	gurges	A whirlpool; An eddy; A gulf, or a sea
2	Proto-Indo-European	gʷerh₃-	to swallow, devour, eat