Valmiki Ramayana Yuddha Kanda Sarga 57 Shloka 10
Original Shlokaविद्रुतेचबलेतस्मिन् रामःसौमित्रिणासह ।।6.57.10।। अवशस्तेनिरालम्बःप्रहस्तवशमेष्यति ।
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प्रहस्त Prahastha, तस्मिन् बले your force, विद्रुते knowing, सौमित्रिणासह along with Saumithri, रामः Rama, अवशः surely, निरालम्बः helpless, वशम् fall into your power, एष्यति will be.
"Prahastha! Knowing your strength, the helpless Vanaras will surely run away and along with Saumithri. Rama will fall into your power."