ततः thereupon, लक्ष्मणसुग्रीवौ Lakshmana and Sugriva, प्लवङ्गमः monkey, हनूमांश्च Hanuman too, रामस्य Rama's, वाक्यम् statement, निशम्य astonished, भृशम् highly, व्यथिताःdistressed, बभूवुः became

There upon Lakshmana, Sugriva, and Vanara Hanuman, astonished at Rama's statement, became highly distressed.