The mental factor of a compelling mental urge that comes from an inciting karmic impulse and which moves the mental continuum to initiate, sustain and end a physical or verbal action. (1) In the Sautrantika, Chittamatra and Svatantrika systems, urging karmic impulses are physical or mental karma. (2) In the Vaibhashika and Gelug Prasangika systems, they are mental karma.
Tibetan: བསམ་པའི་ལས། bsam-pa'i las
Synonyms: Urging karmic urge