Where does “Brandenburger” come from?

Brandenburger (English) comes from English Brandenburg, from German Brandenburg, from German burg, from Old French burc, from Old High German burg, from Proto-West Germanic burg, from Proto-Germanic burgz, from Proto-Indo-European bʰr̥ǵʰ-.

Ancestry of “Brandenburger”, step by step

Brandenburger traces back through two separate lines of ancestry.

via English Brandenburg

StepLanguageWordMeaning
1EnglishBrandenburgA kind of decoration for the breast of a coat,...
2GermanBrandenburg
3Germanburgfortress
4Old Frenchburctown or city
5Old High Germanburga castle; a city
6Proto-West Germanicburgfortification; city
7Proto-Germanicburgzfortification, stronghold; city
8Proto-Indo-Europeanbʰr̥ǵʰ-

via English ER

StepLanguageWordMeaning
1EnglishERThe statistic "Earned Run"; Initialism of...
2Turkisherearly; brave; man, male
3Ottoman Turkishایرsaddle, a seat for a rider placed on the back of a horse or other animal
4Old Anatolian Turkishایرearly, at a time in advance of the usual or expected event
5Proto-Turkicēdersaddle
Every word from Proto-Indo-European bʰr̥ǵʰ-