Valmiki Ramayana Yuddha Kanda Sarga 70 Shloka 45
Original Shlokaअमृष्यमाणस्तंघोषमुत्पपातनिशाचरः । उत्पत्य च हनूमन्तंताडयामासमुष्टिना ।।6.70.45।।
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निशाचरः Rakshasa, तंघोषम् that roar, अमृष्यमाणः unable to bear, उत्पपात got up, उत्पत्य jumping, हनूमन्तम् Hanuman, मुष्टिना fist, ताडयामास struck.
Unable to bear that roar, that Rakshasa got up jumping and struck Hanuman with his fist.