Valmiki Ramayana 2.105.19

अत्येति रजनी या तु सा न प्रतिनिवर्त्तते ।यात्येव यमुना पूर्णा समुद्रमुदकाकुलम्॥

atyeti rajanī yā tu sā na pratinivarttate |yātyeva yamunā pūrṇā samudramudakākulam ||

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