भ्रातरौ brothers, रामलक्ष्मणौ Rama and Lakshmana, दुष्करम् difficult, तत् that, कर्म do that task, कृत्वा having done, सायह्ने evening, शरभङ्गस्य Sarabhanga's, रम्यम् beautiful, आश्रमम् hermitage, ईयतुः reached

"Both the brothers Rama and Lakshmana encountered Viradha who was difficult to attack and having completed their task, reached the beautiful hermitage of Sarabhanga in the evening."