Where does “dzionyszek” come from?

dzionyszek (Polish) comes from Polish dzień, from Proto-Slavic dь̑nь — day.

Ancestry of “dzionyszek”, step by step

StepLanguageWordMeaning
1Polishdzieńday; daytime
2Proto-Slavicdь̑nьday
Every word from Proto-Slavic dь̑nь →Every word from Polish dzień →
dzionyszek — Etymology, Origin & Word History | Etymology Explorer