Valmiki Ramayana Kishkindha Kanda Sarga 11 Shloka 7
Original Shlokaमहिषो दुन्दुभिर्नाम कैलासशिखरप्रभः। बलं नागसहस्रस्य धारयामास वीर्यवान्4.11.7।।
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कैलासशिखरप्रभः shining like the peak of mount Kailas, वीर्यवान् valiant one, महिषः mighty buffalo, दुन्दुभिः नाम by name Dundubhi, नागसहस्रस्य of a thousand elephants, बलम् strength, धारयामास possessed.
'Massive like the shining peak of mount Kailas and valiant like the mightybuffalo in form, Dundubhi possessed the strength of a thousand elephants.