Where does “śniwać” come from?

śniwać (Polish) comes from Polish śnić, from Proto-Slavic sъniti, from Proto-Slavic sъ̀nъ, from Proto-Balto-Slavic supnas, from Proto-Indo-European supnós, from Proto-Indo-European swóp-r̥ ~ swép-n̥s, from Proto-Indo-European swep- — to sleep.

Ancestry of “śniwać”, step by step

StepLanguageWordMeaning
1Polishśnićto dream
2Proto-Slavicsъniti—
3Proto-Slavicsъ̀nъsleep, dream
4Proto-Balto-Slavicsupnassleep, dream
5Proto-Indo-Europeansupnóssleep; death
6Proto-Indo-Europeanswóp-r̥ ~ swép-n̥s—
7Proto-Indo-Europeanswep-to sleep
Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swóp-r̥ ~ swép-n̥s →Every word from Proto-Indo-European supnós →
śniwać — Etymology, Origin & Word History | Etymology Explorer