Where does “Brunei” come from?
Brunei (Tagalog) comes from English Brunei, from Malay Brunei, from Sanskrit वरुण, from Proto-Indo-Aryan Hwárunas, from Proto-Indo-Iranian Hwárunas, from Proto-Indo-European h₁wér-u-nos, from Proto-Indo-European h₁wer- — broad.