tasya - His; artha - subject; sūkṣma - subtle; abhiniviṣṭa-dṛṣṭeḥ - of one whose attention was fixed; antaḥ-gataḥ - internal; arthaḥ - purpose; rajasā - by the mode of passion of material nature; tanīyān - very subtle; guṇena - by the qualities; kāla-anugatena - in due course of time; viddhaḥ - agitated; sūṣyan - generating; tadā - then; abhidyata - pierced through; nābhi-deśāt - from the abdomen.

The subtle subject matter of creation, on which the Lord’s attention was fixed, was agitated by the material mode of passion, and thus the subtle form of creation pierced through His abdomen.