Where does “Krawczuk” come from?

Krawczuk (Polish) comes from Ukrainian Кравчу́к, from Ukrainian -у́к, from Proto-Slavic *-ukъ.

Ancestry of “Krawczuk”, step by step

StepLanguageWordMeaning
1UkrainianКравчу́к
2Ukrainian-у́кAdded to an often diminutive stem to form a patronymic or matronymic surname
3Proto-Slavic*-ukъ
Every word from Proto-Slavic *-ukъEvery word from Ukrainian -у́кEvery word from Ukrainian Кравчу́к
Krawczuk — Etymology, Origin & Word History | Etymology Explorer