aviśeṣaṁ viśeṣavat

sri bhagavan uvaca-the Supreme Personality of Godhead said; yat-now further; tat-that; tri-gunam-combination of the three modes; avyaktam-unmanifested; nityam-eternal; sat-asat-atmakam-consisting of cause and effect; pradhanam-the pradhana; prakrtim-prakrti; prahuh-they call; avisesam-undifferentiated; visesa-vat-possessing differentiation.