Valmiki Ramayana Yuddha Kanda Sarga 44 Shloka 25
Original Shlokaराक्षसानांचनिनदैर्हरीणांचापिनिस्स्वनैः ।।6.44.25।। साबभूवनिशाघोराभूयोघोरतरातदा ।
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घोरा fierce, सानिशा that night, तदा then, राक्षसानाम् Rakshasas, हरीणाम् Vanaras, निस्स्वनैःच making noise, भूयः appeared, घोरतरा more dreadful, बभूव was.
The night which was fierce appeared more dreadful with the loud noise of Rakshasas and Vanaras.