Valmiki Ramayana Yuddha Kanda Sarga 42 Shloka 19
Original Shlokaआप्लवन्तःप्लवन्तश्चगर्जन्तश्चप्लवङ्गमाः । लङ्कांतामभिधावन्तिमहावारणसंनिभाः ।।6.42.19।।
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आप्लवन्तः jumping here and there, महावारणसंनिभाः like huge elephants, प्लवन्तश्च Vanaras, गर्जन्तश्च roaring like lion, लङ्कांतामभिधावन्ति went up to Lanka.
Jumping here and there like huge elephants, the Vanaras roaring like lions went into Lanka.