Where does “cichuchny” come from?

cichuchny (Polish) comes from Polish Cichy, from Old Polish cichy, from Proto-Slavic tixъ, from Proto-Balto-Slavic teišus.

Ancestry of “cichuchny”, step by step

StepLanguageWordMeaning
1PolishCichyquiet, silent
2Old Polishcichycalm, modest, humble
3Proto-Slavictixъstill, quiet
4Proto-Balto-Slavicteišus

Words derived from “cichuchny

Every word from Proto-Balto-Slavic teišusEvery word from Proto-Slavic tixъEvery word from Old Polish cichy