"The Sanskrit word for cessation is nirodha, and in Tibetan, it is gokpa, which in verb form means “to stop” or “to prevent.”"
"The definition that the ancient Indian yogi-sage Patanjali gave of yoga (the supreme union of absolute understanding) was this: "Yogas chitta vritti nirodha.""
"In Patanjali's Yoga Sutra's, he says, "Yoga citta vrtti nirodha.""