अथ संवत्सरे पूर्णे तस्मिन्प्राप्ते तुरङ्गमे। सरय्वाश्चोत्तरे तीरे राज्ञो यज्ञोऽभ्यवर्तत।।1.14.1।।
atha sṃvatsare pūrṇe tasminprāpte turaṅgame| sarayvāścottare tīre rājño yajño'bhyavartata||1.14.1||
Translation
अथ after that, संवत्सरे when one year's time, पूर्णे (सति) was completed, तस्मिन् when that, तुरङ्गमे sacrificial horse, प्राप्ते (सति) had returned, सरय्वा: of river Sarayu, उत्तरे तीरे on the northern bank, राज्ञ: यज्ञश्च sacrifice by the king, अभ्यवर्तत commenced.
Meaning
After completion of one year when the sacrificial horse had returned, the sacrifice by the king (Dasaratha) commenced on the northern bank of river Sarayu.