Where does “Bouroșu” come from?

Bouroșu (Romanian) comes from Romanian roșu, from Latin russus, from Latin Russia, from Old East Slavic Русь, from Finnish ruotsi, from Proto-Finnic *roocci, from Old Swedish roþs-, from Old Norse róðr — to row; to separate; loose, sparse, rare.

Ancestry of “Bouroșu”, step by step

Bouroșu traces back through two separate lines of ancestry.

via Romanian roșu

StepLanguageWordMeaning
1Romanianroșured
2Latinrussusred, reddish-brown
3LatinRussia
4Old East SlavicРусьRus; Ruthenia
5FinnishruotsiSwedish
6Proto-Finnic*roocciSwede originally anyone from Roslagen
7Old Swedishroþs-related to rowing
8Old Norseróðrrowing
9Proto-Germanicrōþrąoar; rudder
10Proto-Indo-Europeanh₁reh₁-to row; to separate; loose, sparse, rare

via Romanian bou

StepLanguageWordMeaning
1Romanianbouox; idiot
2Latinbōvem
3Ancient Greek-ίδηςson of
4Ancient Greek-ήςadjective suffix
5Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
6Proto-Indo-European-ess
7Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European h₁reh₁-