Where does “Schwarzburgunder” come from?

Schwarzburgunder (German) comes from German Burgunder, from German -er, from Old High German -āri, from Proto-West Germanic -ārī, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “Schwarzburgunder”, step by step

Schwarzburgunder traces back through two separate lines of ancestry.

via German Burgunder

StepLanguageWordMeaning
1GermanBurgunderBurgundian
2German-erForms agent nouns etc. from verbs, suffixed to...
3Old High German-āriused to form agent nouns
4Proto-West Germanic-ārī-er
5Proto-Germanic-ārijaz-er
6Latin-āriuser
7Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via German Schwärz

StepLanguageWordMeaning
1GermanSchwärz
2Middle High Germanswarz
3Old High Germanswarzblack
4Proto-West Germanicswartblack
5Proto-Germanicswartazblack
6Proto-Indo-Europeanswordo-dirty, dark, black
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from German -er