Valmiki Ramayana Yuddha Kanda Sarga 71 Shloka 61
Original Shlokaततश्शिरस्तेनिशितैःपातयिष्याम्यहंशरैः । मारुतःकालसम्पक्वंवृन्तात्ताळफलंयथा ।।6.71.61।।
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ततः then, अहम् I, निशितैः sharp, शरैः arrows, तेशिरः his head, मारुतः wind, कालसम्पक्वम् in the process of time when ripened, ताळफलम् palm fruit, वृन्तात् यथा drops, पातयिष्यामि will throw.
"Then I will strike down his head with sharp arrows and throw him just as ripened palm fruit drops in the process of time."