tataḥ - then; nivṛttaḥ - returned; krīḍiṣyan - for the sake of sport; gambhīram - deep; bhīma-nisvanam - making a terrible sound; vijagāhe - dived; mahā-sattvaḥ - the mighty being; vārdhim - in the ocean; mattaḥ - in wrath; iva - like; dvipaḥ - an elephant.

After returning from the heavenly kingdom, the mighty demon, who was like an elephant in wrath, for the sake of sport dived into the deep ocean, which was roaring terribly.