Where does “Fekete-erdő” come from?

Fekete-erdő (Hungarian) comes from Hungarian erdő, from Hungarian eredő, from Hungarian ered, from Hungarian -ed, from Hungarian -é-, from Hungarian -d, from Middle Welsh -nt — 3rd person plural verb ending.

Ancestry of “Fekete-erdő”, step by step

Fekete-erdő traces back through 3 separate lines of ancestry.

via Hungarian erdő

StepLanguageWordMeaning
1Hungarianerdőforest; forest, mass, sea, wealth
2Hungarianeredőpresent participle of ered: resulting, arising,...
3Hungarianeredto originate, to come from, to derive from; to...
4Hungarian-edyour; Used to form the definite second-person...
5Hungarian-é-
6Hungarian-dyour; Used in the second-person singular definite...
7Middle Welsh-nt3rd person plural verb ending

via German Schwarzwald

StepLanguageWordMeaning
1GermanSchwarzwaldBlack Forest
2Germanwaldforest; woods; woodland
3Middle High Germanwalt
4Old High Germanwaldforest
5Proto-West Germanicwalþuforest
6Proto-Germanicwalþuzforest
7Proto-Indo-Europeanwel-to see

via Hungarian fekete

StepLanguageWordMeaning
1Hungarianfeketeblack; tragic, mournful, black; illegal
2Proto-Ugricpᴕ̈kkɜ-ttɜblack
Every word from Middle Welsh -ntEvery word from Hungarian -dEvery word from Hungarian -ed