Yoga Sutra 1.1: Now begins Yoga

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1.1 Now, after having done prior preparation through life and other practices, the study and practice of Yoga begins.
(atha yoga anushasanam)

atha = now, at this auspicious moment; implying the transition to this practice and pursuit, after prior preparation; implying a blessing at this moment of transition

yoga = of yoga, union; literally, to yoke, from the root yuj, which means to join or to integrate; same as the absorption in samadhi

anu = within, or following tradition; implies being subsequent to something else, in this case, the prior preparation

shasanam = instruction, discipline, training, teaching, exposition, explanation; Shas implies the imparting of teaching that happens along with discipline

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