Valmiki Ramayana 6.21.29
महाऊर्मि माला विततः शन्ख शुक्ति समाकुलः ।सधूम परिवृत्त ऊर्मिः सहसा अभून् महाउदधिः॥
mahāūrmi mālā vitataḥ śankha śukti samākulaḥ |sadhūma parivṛtta ūrmiḥ sahasā abhūn mahāudadhiḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book