Valmiki Ramayana Kishkindha Kanda Sarga 46 Shloka 13

ततः then, मया by me, पृथिवी the earth, आदर्शतलसङ्काशा like the surface of a mirror, अलातचक्रप्रतिमा like a circling of fireband, दृष्टा seen, गोष्पदवत् as though it is of the size of cow's hoof, तदा then.