Valmiki Ramayana Yuddha Kanda Sarga 67 Shloka 144
Original Shlokaस तस्यचापनिर्घोषात्कुपितोराक्षसर्षभः । अमृष्यमाणस्तंघोषमभिदुद्रावराघवम् ।।6.67.144।।
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तस्य his, चापनिर्घोषात् twang of bow, कुपितः enraged, सः he, राक्षसर्षभः bull among Rakshasas, तंघोषम् that loud sound, अमृष्यमाणदु unable to bear, राघवम् Raghava, अभिदुद्राव rushed.
Enraged by the loud sound of the twang of the bow, the bull among Rakshasas unable to bear rushed towards Raghava.