tataḥ - from there; ādāya - taking away; sā - the fish; rājñā - by the King; kṣiptā - being thrown; rājan - O King (Mahārāja Parīkṣit); sarovare - in a lake; tat - that; āvṛtya - covering; ātmanā - by the body; saḥ - the fish; ayam - this; mahā-mīnaḥ - gigantic fish; anvavardhata - immediately developed.

O Mahārāja Parīkṣit, the King took the fish from the well and threw Him in a lake, but the fish then assumed a gigantic form exceeding the extent of the water.