Valmiki Ramayana Kishkindha Kanda Sarga 39 Shloka 19
Original Shlokaगोलाङ्गूलमहाराजो गवाक्षो भीमविक्रमः। वृतः कोटिसहस्रेण वानराणामदृश्यत।।4.39.19।।
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वानराणाम् of vanaras, कोटिसहस्रेण by a thousand crores, वृतः surrounded, गोलाङ्गूलमहाराजः king of Langur, भीमविक्रमः a warrior of fierce valour, गवाक्षः Gavaksha, अदृश्यत was seen
Next arrived Gavaksha, king of Langurs (whose tail resembled the cow's), of fierceful courage surrounded by a thousand crore of vanaras.