तत: काले बहुतिथे कस्मिंश्चित्सुमनोहरे। वसन्ते समनुप्राप्ते राज्ञो यष्टुं मनोऽभवत्।।1.12.1।।
tata: kāle bahutithe kasmiṃścitsumanohare| vasante samanuprāpte rājño yaṣṭuṃ mano'bhavat||1.12.1||
Translation
तत: afterwards, बहुतिथे काले after a lapse of long time, सुमनोहरे charming, कस्मिंश्चित् some time, वसन्ते spring season, समनुप्राप्ते having arrived, राज्ञ: for the king, यष्टुम् to perform sacrifice, मन: अभवत् desire arose.
Meaning
After a long time, at the advent of charming spring a desire arose in the mind of the king (Dasaratha) to perform the sacrifice.