Valmiki Ramayana 2.7.20
अक्षय्यं सुमहद्देवि प्रवृत्तं द्वद्विनाशनम् ।रामं दशरथो राजा यौवराज्येऽभिषेक्ष्यति॥
akṣayyaṃ sumahaddevi pravṛttaṃ dvadvināśanam |rāmaṃ daśaratho rājā yauvarājye'bhiṣekṣyati ||
Our plain-language meaning of this verse is waiting for scholar review.