Where does “bronche” come from?

bronche (Middle English) comes from Old French branche, from Late Latin branca, from Gaulish vranca, from Proto-Indo-European wrónkeh₂.

Ancestry of “bronche”, step by step

bronche traces back through two separate lines of ancestry.

via Old French branche

StepLanguageWordMeaning
1Old Frenchbranchebranch
2Late Latinbrancafootprint, paw; footprint”, later also “paw, claw
3Gaulishvranca—
4Proto-Indo-Europeanwrónkeh₂—

via Old French brance

StepLanguageWordMeaning
1Old Frenchbrance—
Every word from Proto-Indo-European wrónkeh₂ →Every word from Gaulish vranca →Every word from Late Latin branca →