Valmiki Ramayana Aranya Kanda Sarga 36 Shloka 21
Original Shlokaततः पश्चात्सुखं रामे भार्याहरणकर्शिते। विस्रब्धः प्रहरिष्यामि कृतार्थेनान्तरात्मना।।3.36.21।।
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ततः पश्चात् thereafter, भार्याहरणकर्शिते afflicted due to his wife's abduction, रामे Rama, कृतार्थेन successfully, अन्तरात्मना inwardly, सुखम् happily, विस्रब्धः freely, प्रहरिष्यामि I can strike him.
Thereafter, when Rama with his soul afflicted due to his wife's abduction. I can freely, happily, successfully strike him down.