Yoga Sūtra Chapter Three verse 10

तस्य प्रशान्तवाहिता संस्कारत् ॥१०॥

tasya praśānta-vāhitā saṃskārāt ||10||

From that tendency a serene flow.

tasya - itspraśānta - serenevāhitā - flowsaṃskāra - tendencies, psychological imprint, mental impression, habitual potency; making ready, preparation; a sacred or sanctifying ceremony