पुरा earlier, यस्य whose, धर्मवत्सलः lover of dharma, पिता father, शरण्यः refuge to others, आसीत् he was, शरण्यश्च refuge of, तस्य his, पुत्रः son, सुग्रीवम् to Sugriva, शरणं गतः seeks protection

'One whose father was once a protector of dharma, a refuge to all now seeks Sugriva's shelter.