Where does “Brunei” come from?

Brunei (Finnish) comes 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.

Ancestry of “Brunei”, step by step

Step	Language	Word	Meaning
1	Malay	Brunei	—
2	Sanskrit	वरुण	ocean; water; sun
3	Proto-Indo-Aryan	Hwárunas	—
4	Proto-Indo-Iranian	Hwárunas	—
5	Proto-Indo-European	h₁wér-u-nos	—
6	Proto-Indo-European	h₁wer-	broad

Words derived from “Brunei”

bruneilainen

Every word from Proto-Indo-European h₁wer- →Every word from Proto-Indo-European h₁wér-u-nos →Every word from Proto-Indo-Iranian Hwárunas →