Where does “BSB” come from?

BSB (Portuguese) comes from Translingual BSB, 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.

Ancestry of “BSB”, step by step

StepLanguageWordMeaning
1TranslingualBSB—
2EnglishBrunei—
3MalayBrunei—
4Sanskritवरुणocean; water; sun
5Proto-Indo-AryanHwárunas—
6Proto-Indo-IranianHwárunas—
7Proto-Indo-Europeanh₁wér-u-nos—
8Proto-Indo-Europeanh₁wer-broad
Every word from Proto-Indo-European h₁wer- →Every word from Proto-Indo-European h₁wér-u-nos →Every word from Proto-Indo-Iranian Hwárunas →