Canto 2 -
Ayodhyā-kāṇḍa
Chapter 4: Daśaratha’s Anxiety About Coronating Rāma
Text 2.4.23
तस्मात्त्वयाद्यप्रभृति निशेयं नियतात्मना।
सह वध्वोपवस्तव्या दर्भप्रस्तरशायिना॥
tasmāt tvayādya-prabhṛti niśeyaṁ niyatātmanā
saha vadhvopavastavyā darbha-prastara-śāyinā
tasmāt = so; tvayā = You; adya-prabhṛti = from this hour on; niśā iyam = for the night; niyata-ātmanā = with a steady mind; saha = with; vadhvā = Your bride; upavastavyā = should fast; darbha-prastara-śāyinā = and sleep on a rug of darbha grass.
So, with a steady mind, You should fast from this hour on for the night with Your bride and sleep on a rug of darbha grass.