askesis


as·ke·sis

A5484650 (ə-skē′sĭs) or as·ce·sis (-sē′-)n. The exercise of rigorous self-discipline, especially mental self-discipline practiced as a means to spiritual growth.
[Greek askēsis, exercise, asceticism, and Late Latin ascēsis, asceticism (Late Latin, from Greek), from Greek askein, to exercise, practice.]

askesis

(əˈskiːsɪs) nthe procedure of demonstrating self-control and determination of action and purpose