ko cycle (kh sīˑ·kl),
n in traditional Chinese medicine, one of the two cycles of the five elements, where one element disciplines or controls the next (i.e., metal controls wood, fire controls metal, earth controls water, wood controls earth, and water controls fire.) The ko cycle is compared to the relationship between a father and child in terms of discipline and control. The therapeutic application of the ko cycle involves bringing balance between the elements to restore proper relationship.
the cycle of control or destruction in acupuncture theory; a mechanism which ensures that no single element becomes too powerful.