Valmiki Ramayana Ayodhya Kanda Sarga 9 Shloka 13
Original Shlokaस शम्बर इति ख्यातश्शतमायो महासुरः। ददौ शक्रस्य सङ्ग्रामं देवसङ्घैरनिर्जितः।।2.9.13।।
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शम्बर: इति as Sambara, ख्यात: wellknown, शतमाय: possessing a hundred deceitful forms, स: महासुर: that mighty asura, देवसङ्घै: by hosts of gods, अनिर्जित: could not be conquered, शक्रस्य for Indra, सङ्ग्रामम् battle, ददौ gave.
That mighty asura wellknown as Sambara, capable of a hundred deceitful forms, challenged Indra to a battle which could not be conquered by hosts of gods.