Where does “bruh” come from?

bruh (English) comes from English brother, from Middle English brother, from Old English brōþor, from Proto-West Germanic brōþer, from Proto-Germanic brōþēr, from Proto-Indo-European bʰréh₂tēr — brother.

bruh (English): The rhesus macaque; Alternative form of bro;...

Definitions

  1. The rhesus macaque; Alternative form of bro;...

Ancestry of “bruh”, step by step

bruh traces back through two separate lines of ancestry.

via English brother

StepLanguageWordMeaning
1EnglishbrotherSon of the same parents as another person; A male...
2Middle EnglishbrotherA brother or brother-in-law; a male sibling
3Old Englishbrōþorbrother
4Proto-West Germanicbrōþerbrother
5Proto-Germanicbrōþērbrother
6Proto-Indo-Europeanbʰréh₂tērbrother

via Malay beruk

StepLanguageWordMeaning
1Malayberukpigtail macaque, especially the southern pig-tailed macaque
2Classical Malayبروق—
Every word from Proto-Indo-European bʰréh₂tēr →Every word from Proto-Germanic brōþēr →Every word from Proto-West Germanic brōþer →