Valmiki Ramayana Sundara Kanda Sarga 58 Shloka 10
Original Shlokaप्रहतं च मया तस्य लाङ्गूलेन महागिरेः।।5.58.10।। शिखरं सूर्यसङ्काशं व्यशीर्यत सहस्रधा।
1 source checked for this shloka
मया by me, लाङ्गूलेन with my tail, प्रहतम् hit, तस्य महागिरेः that great mountain, सूर्यसङ्काशम् radiating like the Sun, शिखरम् peak, सहस्रधा a thousand pieces, व्यशीर्यत shattered.
"Hit by my tail the great mountain peak, which was radiating like the Sun was shattered into a thousand pieces.