Where does “branne” come from?

branne (Middle English) comes from Old French bren, from Gaulish brennos, from Proto-Celtic bragnos, from Proto-Indo-European bʰreHg- — to smell, to have a strong odour.

Ancestry of “branne”, step by step

branne traces back through two separate lines of ancestry.

via Old French bren

StepLanguageWordMeaning
1Old Frenchbrenbran
2Gaulishbrennosrotten
3Proto-Celticbragnosrotten
4Proto-Indo-EuropeanbʰreHg-to smell, to have a strong odour

via Old French bran

StepLanguageWordMeaning
1Old FrenchbranAlternative form of branc; bran, filth
Every word from Proto-Indo-European bʰreHg-Every word from Proto-Celtic bragnosEvery word from Gaulish brennos