viśālā tvāṁ mayeritā

tri-lokyam-the three lokas; liyamanayam-upon being merged; samvarta-ambhasi-in the water of destruction; vai-indeed; tada-at that time; upasthasyati-will appear; nauh-boat; kacit-one; visala-very big; tvam-unto you; maya-by Me; irita-sent.