niyamya

यस्त्विन्द्रियाणि मनसा नियम्यारभतेऽर्जुन

niyamya — control

But one who controls the senses with the mind, Arjuna, and takes up action with the organs of action while remaining unattached — that one is better.

तस्मात्त्वमिन्द्रियाण्यादौ नियम्य भरतर्षभ

niyamya — having controlled

Therefore master the senses first, best of the Bharatas, and then strike down this destroyer of knowledge and discernment.

यतो यतो निश्चरति मनश्चञ्चलमस्थिरम्

niyamya — having restrained

Wherever the restless, unsteady mind wanders off, from there one should draw it back and settle it again in the self.

बुद्ध्या विशुद्धया युक्तो धृत्याऽऽत्मानं नियम्य च

niyamya — restraining

Joined to a purified understanding, holding the self in check by steadiness, having given up sound and the other objects of sense, having put aside craving and aversion;