Valmiki Ramayana Kishkindha Kanda Sarga 28 Shloka 3
Original Shlokaनवमासधृतं गर्भं भास्करस्य गभस्तिभिः। पीत्वा रसं समुद्राणां द्यौः प्रसूते रसायनम्4.28.3।।
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द्यौः sky, भास्करस्य Sun's, गभस्तिभिः with rays of sunlight, समुद्राणाम् from oceans, रसम् water, पीत्वा drunk, नवमासधृतम् borne for nine months, रसायनम् the base for all juices, गर्भम् womb, प्रसूते is delivering.
'The sky has drained the water from the oceans through the Sun's rays and has borne it for nine months (from Kartika to Asarha) in its womb. It delivers water which is the base for all juices.