Björnen är väl inte det enda djur som har brun päls.
Björn på finska heter Karhu men det betyder inte brun.
Jag kollar med chatGPT:
etymology for finnish word karhu?
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The word "Karhu" is Finnish for "bear." Its etymology traces back to the Proto-Uralic *kora, which means "animal" or specifically "bear" in some Uralic languages. In Finnish, "Karhu" has been used as a proper noun and symbol, often representing strength and wilderness, especially in Finnish culture and folklore. The word's origins are connected to the Uralic language family, which includes Finnish, Estonian, Hungarian, and several minority languages across northern Eurasia.
Lite märklig förklaring att det bara är "kora" som som är "animal". Det finns väl fler djur än björn.
Annan källa ger:
Etymology
From Proto-Finnic *karhu, probably derived from *karhëda; equivalent to karhea (“
rough, coarse”)
Verkar ju troligare att det står för "grov" än färg på päls.