juustoaine (Finnish) comes from Finnish juusto, from French Brie, from Gaulish briga, from Proto-Celtic brigā, from Proto-Indo-European *bʰérǵʰos, from Proto-Indo-European bʰerǵʰ- — to rise; high, lofty; hill, mountain.
Ancestry of “juustoaine”, step by step
juustoaine traces back through two separate lines of ancestry.