Charak Samhita
प्रवृत्तिस्तुखलुचेष्टाकार्यार्था; सैवक्रिया, कर्म, यत्नः, कार्यसमारम्भश्च ॥७७॥
॥ Pravritti (consistent efforts)॥ Pravritti is the effort taken for the accomplishment of objective. This is also known as kriya, karma (action), yatna(effort), karyasamarambha (commencement).
english translation
pravRttistukhaluceSTAkAryArthA; saivakriyA, karma, yatnaH, kAryasamArambhazca ॥77॥
hk transliteration by Sanscript