Where does “बहरीन” come from?

बहरीन (Hindi) comes from Arabic الْبَحْرَيْن — Bahrain; the two seas.

Ancestry of “बहरीन”, step by step

Step	Language	Word	Meaning
1	Arabic	الْبَحْرَيْن	Bahrain; the two seas

बहरीन — Etymology, Origin & Word History | Etymology Explorer