Valmiki Ramayana Sundara Kanda Sarga 9 Shloka 58
Original Shlokaरावणाननशङ्काश्च काश्चिद्रावणयोषितः। मुखानि स्म सपत्नीनामुपाजिघ्रन्पुनः पुनः।।5.9.58।।
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काश्चित् some, रावणयोषितः Ravana's wives, रावणाननशङ्काश्च assuming it to be Ravana's face, पुनः पुनः again and again, सपत्नीनाम् of their cowives, मुखानि mouths, उपाजिघ्रन् smelt.
Some women of Ravana (overcome by blind passion) smelt again and again the mouths of their cowives next to them assuming it to be Ravana's.