Where does “kak” come from?

kak (Russenorsk) comes from Russian как, from Old East Slavic како, from Proto-Slavic kako, from Proto-Slavic kakъ, from Proto-Balto-Slavic *kōkos.

kak (Russenorsk): how, what

Definitions

  1. how, what

Ancestry of “kak”, step by step

StepLanguageWordMeaning
1Russianкакhow; what; as, however much
2Old East Slavicкакоhow, in which way
3Proto-Slavickakohow, in which way
4Proto-Slavickakъof what/which kind
5Proto-Balto-Slavic*kōkos—
Every word from Proto-Balto-Slavic *kōkos →Every word from Proto-Slavic kakъ →Every word from Proto-Slavic kako →