ahar yad brahmano viduh

ratrim yuga-sahasrantam

te ‘ho-ratra-vido janah

sahasra—thousand; yuga—millenniums; prayantam—including; ahaḥ—day; yat—that; brahmaṇaḥ—of Brahmā; viduḥ—know it; rātrim—night; yuga—millenniums; sahasra-antām—similarly, at the end of one thousand; te—that; ahaḥ-rātra—day and night; vidaḥ—understand; janāḥ—people.

prabhavanty ahar-agame

ratāḥ—all; prabhavanti—come into being; ahaḥ-āgame—at the beginning of the day; rātri-āgame—at the fall of night; pralīyante—are annihilated; tatra—there; eva—certainly; avyakta—the unmanifest; saṁjñake—called.

When Brahmā’s day is manifest, this multitude of living entities comes into being, and at the arrival of Brahmā’s night they are all annihilated.

bhutva bhutva praliyate

ratry-agame ‘vasah partha

prabhavaty ahar-agame

bhūta-grāmaḥ—the aggregate of all living entities; saḥ—they; eva—certainly; ayam—this; bhūtvā bhūtvā—taking birth; pralīyate—annihilate; rātri—night; āgame—on arrival; avaśaḥ—automatically; pārtha—O son of Pṛthā; prabhavanti—manifest; ahaḥ—during daytime; āgame—on arrival.

Again and again the day comes, and this host of beings is active; and again the night falls, O Pārtha, and they are helplessly dissolved.