Valmiki Ramayana Yuddha Kanda Sarga 74 Shloka 63
Original Shlokaसयोजनसहस्राणिसमतीत्यमहाकपिः । दिव्यौषधिधरंशैलंव्यचरन्मारुतात्मजः ।।6.74.63।।
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महाकपिः great monkey, सःमारुतात्मजः that son of wind god, योजनसहस्राणि a thousand yojanas, समतीत्य having travelled, दिव्यौषधिधरम् began to range the wonderful herbs, शैलम् mountain, व्यचरत् went about searching.
The great monkey, son of the wind god, having traversed a thousand yojanas began to range the wonderful herbs and went about searching.