Canto 3 -
Araṇya-kāṇḍa
Chapter 38: Mārīca Instructs Rāvaṇa
Text 3.38.12

एवमुक्त्वा तु स मुनिस्तमादाय नृपात्मजम्।
जगाम परमप्रीतो विश्वामित्रः स्वमाश्रमम्॥

evam uktvā tu sa munis tam ādāya nṛpātmajam
jagāma parama-prīto viśvāmitraḥ svam āśramam

evam = this; uktvā tu = having said; saḥ = the; muniḥ = sage; tam = the; ādāya = took; nṛpa-ātmajam = prince; jagāma = and departed; parama-prītaḥ = in extreme happiness; viśvāmitraḥ = Viśvāmitra; svam = to his; āśramam = āśrama.

Having said this, the sage Viśvāmitra took the prince and departed in extreme happiness to his āśrama.