Where does “снѣгъ” come from?
снѣгъ (Old Church Slavonic) comes from Proto-Slavic sněgъ, from Proto-Balto-Slavic snáigas, from Proto-Indo-European snóygʷʰos, from Proto-Indo-European sneygʷʰ- — to snow.
снѣгъ (Old Church Slavonic): snow
Ancestry of “снѣгъ”, step by step