Valmiki Ramayana Sundara Kanda Sarga 1 Shloka 37
Original Shlokaमार्गमालोकयन्दूरादूर्ध्वं प्रणिहितेक्षणः। रुरोध हृदये प्राणानाकाशमवलोकयन्।।5.1.37।।
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ऊर्ध्वम् upward, प्रणिहितेक्षणः setting his eyes up, दूरात् from a distance, मार्गम् direction, आलोकयन् while looking at, आकाशम् sky, अवलोकयन् looking at, प्राणान् breath, हृदये in the chest,रुरोध restrained.
Having cast his eyes upward in order to view the distance and direction in which he had to leap, he restrained his breath in the chest while looking at the sky.