The Proto-Turkic word *bö̅l-
Word *bö̅l-
Meaning to divide, separate
Synonyms *borī

Comments
S. A. Starostin, A. V. Dybo, O. A. Mudrak - An Etymological Dictionary of Altaic Languages, 2003, Brill

Other words that might be of interest
*jạlɨŋ- ‘single, lonely’, *jaŋɨŕ ‘lonely, single’