Valmiki Ramayana Aranya Kanda Sarga 24 Shloka 15
Original Shlokaएवमुक्तस्तु रामेण लक्ष्मणस्सह सीताया। शरानादाय चापं च गुहां दुर्गां समाश्रयत्।।3.24.15।।
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रामेण by Rama, एवम् in that way, उक्तः was bid, लक्ष्मणः Lakshmana, शरान् arrows, चापं च bow too, आदाय taking, सीतया सह with Sita, दुर्गाम् inaccessible, गुहाम् cave, समाश्रयत् took shelter.
Thus ordered by Rama, Lakshmana took the arrows and the bow and accompanied by Sita took shelter in the inaccessible cave.