the six yogic techniques of purification of the body, viz. neti, dhauti, nauli, basti, trataka, kapalbhati

Shatkarma is a Sanskrit word that refers to the Yogic practices involving purificaton of the body. These practices, outlined by Yogi Swatmarama in the Hatha Yoga Pradipika, include neti, dhauti, basti, kapalbhati, trataka, and nauli.