वानरपुङ्गव foremost of vanaras, त्वम् you, कः who, केन why, कथम् how, इह here, प्राप्तः could come, ते to you, रामेण with Rama, प्रीतिः friendship, का tell, तत् that, मे to me, शंसितुम् in detail, अर्हसि it is prpoer.

"O foremost of vanaras who are you? Why and how have you come here? How did you make friendship with Rama? Tell me all that in detail.