Canto 1 - Boyhood
Bāla-kāṇḍa
Chapter 14: The Aśvamedha Sacrifice
Text 1.14.2

ऋश्यशृङ्गं पुरस्कृत्य कर्म चक्रुर्द्विजर्षभाः।
अश्वमेधे महायज्ञे राज्ञोऽस्य सुमात्मनः॥

ṛśyaśṛṅgaṁ puraskṛtya karma cakrur dvija-rṣabhāḥ
aśvamedhe
mahā-yajñe rājño ’sya sumātmanaḥ

ṛśyaśṛṅgam = Ṛśyaśṛṅga; puraskṛtya = under the leadership of; karma = their duties; cakruḥ = performed; dvija-ṛṣabhāḥ = the best of the twiceborn; aśvamedhe mahā-yajñe = in the great Aśvamedha sacrifice; rājñaḥ asya = of King Daśaratha; sumahā-ātmanaḥ = of great intelligence.

Under the leadership of Ṛśyaśṛṅga, the best of the twiceborn performed their duties in the great Aśvamedha sacrifice of King Daśaratha of great intelligence.