Where does “тетерук” come from?

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

тетерук (Ukrainian): black grouse (game bird of genus Tetrao, of the family Tetraonidae), heath-cock

Definitions

  1. black grouse (game bird of genus Tetrao, of the family Tetraonidae), heath-cock

Ancestry of “тетерук”, 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 →