Valmiki Ramayana 2.30.1
सान्त्व्यमाना तु रामेण मैथिली जनक आत्मजा ।वन वास निमित्ताय भर्तारम् इदम् अब्रवीत्॥
sāntvyamānā tu rāmeṇa maithilī janaka ātmajā |vana vāsa nimittāya bhartāram idam abravīt ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book