Czarnogóra (Polish) comes from Polish Góra, from Old Polish góra, from Proto-Slavic gorà, from Proto-Balto-Slavic garā́ˀ, from Proto-Indo-European gʷerH- — to express approval; praise; to elevate.
Ancestry of “Czarnogóra”, step by step
Czarnogóra traces back through 3 separate lines of ancestry.