Valmiki Ramayana Yuddha Kanda Sarga 67 Shloka 60
Original Shlokaस कुम्भकर्णस्यवचोनिशम्यव्याविध्यशैलंसहसामुमोच । तेनाजघानोरसिकुम्भकर्णंशैलेनवज्राशनिसन्निभेन ।।6.67.60।।
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सः he, कुम्भकर्णस्य Kumbhakarna's, वचः words, निशम्य hearing, शैलम् mountain, व्याविध्य separating, सहसा forcibly, मुमोच discharged, वज्राशनिसन्निभेन resembling thunderbolt, तेन by that, कुम्भकर्णम् Kumbhakarna, उरसि chest, आजघान dropped.
On hearing Kumbhakarna's words, Sugriva forcibly discharged a mountain resembling a thunderbolt on the chest of Kumbhakarna.