Valmiki Ramayana Aranya Kanda Sarga 15 Shloka 30
Original Shlokaएवं लक्ष्मणमुक्त्वा तु राघवो लक्ष्मिवर्धनः। तस्मिन् देशे बहुफले न्यवसत्सुसुखं वशी।।3.15.30।।
1 source checked for this shloka
लक्ष्मिवर्धनः enhancer of fortune, वशी selfcontrolled man, राघवः Rama, लक्ष्मणम् to Lakshmana, एवम् in that way, उक्त्वा having said, बहुफले with abundance of fruits, तस्मिन् देशे that place, सुसुखम् happily, न्यवसत् resided.
Rama who was an enhancer of fortunes and who had his senses under control said thus to Lakshmana and lived happily there in that place filled with fruits.