Where does “поустъ” come from?

поустъ (Old East Slavic) comes from Proto-Slavic pȗstъ — desolate; empty.

Ancestry of “поустъ”, step by step

StepLanguageWordMeaning
1Proto-Slavicpȗstъdesolate; empty

Words derived from “поустъ

Every word from Proto-Slavic pȗstъ