sat-cit-ānanda-maya - eternal bliss and knowledge; kṛṣṇera - of Lord Kṛṣṇa; svarūpa - the real transcendental form; ataeva - therefore; svarūpa-śakti - His spiritual personal potency; haya - is; tina rūpa - three forms.

“Originally Lord Kṛṣṇa is sac-cid-ānanda-vigraha, the transcendental form of eternity, bliss and knowledge; therefore His personal potency, the internal potency, has three different forms.