Where does “Brandenburgish” come from?

Brandenburgish (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 “Brandenburgish”, step by step

Brandenburgish 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 ish

StepLanguageWordMeaning
1EnglishishPronunciation spelling of is; somewhat,...
2English-ishTypical of, similar to, being like; Somewhat,...
3Middle English-ishAlternative form of -yssh
4Old English-isċ-ish
5Proto-West Germanic-iskCreates adjectives from nouns
6Proto-Germanic-iskazForms adjectives from nouns with the sense of...
7Proto-Indo-European-iskosCharacteristic of, typical of, pertaining to
Every word from Proto-Indo-European bʰr̥ǵʰ-Every word from Proto-Germanic burgzEvery word from Proto-West Germanic burg