[brontosaurusrex]

Kvas means yeast, could be also a drink name.

[yreg]

Since this is on top of the readme they refer to the drink: https://user-images.githubusercontent.com/5411096/179968508-...

You could call yeast kvas, but in slavic languages there are usually other nouns used. (drozdze, drozdie, kvasok, kvasnice, закваска , дрожжи). Kvas (the drink) is kvas everywhere.