Charak Samhita
प्रवृत्तिस्तुप्रतिकर्मसमारम्भः। तस्यलक्षणंभिषगौषधातुरपरिचारकाणांक्रियासमायोगः ॥१२९॥
[Pravritti (inclination or action)] Pravritti (inclination or action) is the initiation of the therapy which is characterized by the combination of physician, drug, patient and attendant in treatment.
english translation
pravRttistupratikarmasamArambhaH। tasyalakSaNaMbhiSagauSadhAturaparicArakANAMkriyAsamAyogaH ॥129॥
hk transliteration by Sanscript