Where does “Мокаш” come from?

Мокаш (Belarusian) comes from Old East Slavic Мокошь, from Proto-Slavic *Mokošь — Mokosh.

Ancestry of “Мокаш”, step by step

StepLanguageWordMeaning
1Old East SlavicМокошь—
2Proto-Slavic*MokošьMokosh
Every word from Proto-Slavic *Mokošь →Every word from Old East Slavic Мокошь →