Valmiki Ramayana Yuddha Kanda Sarga 21 Shloka 26
Original Shlokaसम्पीड्यचधनुर्घोरंकम्पयित्वाशरैर्जगत् । मुमोचविशिखानुग्रान्वज्रानिवशतक्रतुः ।।6.21.26।।
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घोरम् terrific, धनुः bow, सम्पीड्यच bending, शरैः arrow, जगत् universe, कम्पयित्वा making to tremble, शतक्रतुः one who has performed a hundred sacrifices, वज्रानिव like Indra, उग्रान् frightful, विशिखान् arrows, मुमोच released.
Bending the terrific bow, he released frightful arrows like Indra (who released thunderbolts) who performed a hundred sacrifices.