Shloka 1.14.39
अश्वमेधप्रवृत्तिः — Commencement and Performance of Daśaratha’s Aśvamedha
उक्थ्यं द्वितीयं संख्यातमतिरात्रं तथोत्तरम्।कारितास्तत्र बहवो विहिताश्शास्त्रदर्शनात्।।।।
ukthyaṃ dvitīyaṃ saṅkhyātam atirātraṃ tathottaram |
kāritās tatra bahavo vihitāḥ śāstradarśanāt ||
The second day was declared the Ukthya, and the day that followed the Atirātra; and in that sacrifice many additional rites, enjoined by the teaching of the śāstra, were also performed.
On the second day Ukthya and on the third day Atiraatra were performed. Many sacrifices fixed according to the scriptures were also performed.
Dharma is obedience to śāstra: the rite proceeds by a truthful submission to prescribed order rather than personal preference.
The Aśvamedha’s second and third day rites are named, and the performance of many supplementary scripturally mandated rites is noted.
Consistency and completeness in sacred duty—performing not only the main acts but also the prescribed auxiliaries.