Where does “Miensopust” come from?

Miensopust (Polish) comes from Polish mięsopust, from Polish mięso, from Proto-Slavic męso, from Proto-Balto-Slavic mēnsā́ˀ, from Proto-Balto-Slavic mḗns, from Proto-Indo-European mḗms, from Proto-Indo-European mems-, from Proto-Indo-European me-ms-.

Ancestry of “Miensopust”, step by step

StepLanguageWordMeaning
1PolishmięsopustShrovetide
2Polishmięsomeat
3Proto-Slavicmęsomeat
4Proto-Balto-Slavicmēnsā́ˀ—
5Proto-Balto-Slavicmḗnsmeat
6Proto-Indo-Europeanmḗmsflesh, meat
7Proto-Indo-Europeanmems-flesh, meat
8Proto-Indo-Europeanme-ms-—
9Proto-Indo-Europeanmes-—
Every word from Proto-Indo-European mes- →Every word from Proto-Indo-European me-ms- →Every word from Proto-Indo-European mems- →