Where does “дячук” come from?

дячук (Ukrainian) comes from Ukrainian -у́к, from Proto-Slavic *-ukъ.

дячук (Ukrainian): deacon's young son, son of diak

Definitions

  1. deacon's young son, son of diak

Ancestry of “дячук”, step by step

StepLanguageWordMeaning
1Ukrainian-у́кAdded to an often diminutive stem to form a patronymic or matronymic surname
2Proto-Slavic*-ukъ—
Every word from Proto-Slavic *-ukъ →Every word from Ukrainian -у́к →
дячук — Etymology, Origin & Word History | Etymology Explorer