Valmiki Ramayana 2.5.25

गुरुणा त्वभ्यनुज्ञातो मनिजौघं विसृज्य तम् ।विवेशान्तःपुरं राजा सिंहो गिरिगुहामिव॥

guruṇā tvabhyanujñāto manijaughaṃ visṛjya tam |viveśāntaḥpuraṃ rājā siṃho giriguhāmiva ||

Our plain-language meaning of this verse is waiting for scholar review.