Where does “bundook” come from?

bundook (English) comes from Hindi बन्दूक, from Arabic بُنْدُقِيَّة — rifle, gun.

bundook (English): A service issue rifle

Definitions

Step	Language	Word	Meaning
1	Hindi	बन्दूक	nuqtaless form of बन्दूक़
2	Arabic	بُنْدُقِيَّة	rifle, gun

bundook — Etymology, Origin & Word History | Etymology Explorer