self-mortification
self-mor ti fi ca tion ▶noun the subjugation of appetites or desires by self-denial or self-discipline as an aspect of religious devotion: voluntary self-mortification such as fasting.
self-mortifi ¦ca ¦tion ▶noun [ mass noun ] the subjugation of appetites or desires by self-denial or self-discipline as an aspect of religious devotion: voluntary self-mortification such as fasting.