Where does “tilsitinjuusto” come from?

tilsitinjuusto (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 “tilsitinjuusto”, step by step

tilsitinjuusto traces back through two separate lines of ancestry.

via Finnish juusto

StepLanguageWordMeaning
1Finnishjuustocheese
2FrenchBriebrie
3Gaulishbrigahill; fortress
4Proto-Celticbrigāmight, power
5Proto-Indo-European*bʰérǵʰoshill
6Proto-Indo-Europeanbʰerǵʰ-to rise; high, lofty; hill, mountain

via Finnish tilsit

StepLanguageWordMeaning
1Finnishtilsit—
2GermanTilsiterTilsit cheese
Every word from Proto-Indo-European bʰerǵʰ- →Every word from Proto-Indo-European *bʰérǵʰos →Every word from Proto-Celtic brigā →