Valmiki Ramayana Yuddha Kanda Sarga 62 Shloka 5

रक्षोगणसमन्वितम् accompanied by the troops of Rakshasas, सःकुम्भकर्णः that Kumbhakarna, भ्रातुः brother, भवनम् mansion, गच्छन् going, पदन्यासैः by the strides, मेदिनीम् earth, अम्पयत shaken.

While Kumbhakarna accompanied by troops of Rakshasas, was taking strides to his brother's abode, even the earth was shaken.