Valmiki Ramayana Ayodhya Kanda Sarga 57 Shloka 26

सः that, राजा king, तूष्णीमेव silently, तत् those words, श्रुत्वा having listened, विभ्रान्तचेतनः with a bewildered mind, रामशोकाभिपीडितः tormented by the grief due to Rama's absence, मूर्छितः with senses lost, भूमौ on the ground, न्यपतत् fell.

The king silently listened to Rama's message. Bewildered and tormented by the grief of Rama's absence, he fell down on the ground in a swoon.