Where does “како́й” come from?

како́й (Russian) comes from Old East Slavic какъ, from Proto-Slavic kakъ, from Proto-Balto-Slavic *kōkos.

како́й (Russian): what, which

Definitions

  1. what, which

Ancestry of “како́й”, step by step

StepLanguageWordMeaning
1Old East Slavicкакъwhat, which
2Proto-Slavickakъof what/which kind
3Proto-Balto-Slavic*kōkos—

Words derived from “како́й”

Every word from Proto-Balto-Slavic *kōkos →Every word from Proto-Slavic kakъ →Every word from Old East Slavic какъ →