hiraṇya-garbha - Hiraṇyagarbha; antaḥ-yāmī - the Supersoul; jagat-kāraṇa - the cause of the material world; yāṅra amśa kari' - taking as His expansion; kare - does; virāṭa-kalpana - conception of the universal form.

He is the Supersoul, Hiraṇyagarbha, the cause of the material world. The universal form is conceived as His expansion.