te 'ho-rātra-vido janāḥ

sahasra-thousand; yuga-millenniums; prayantam-including; ahah-day; yat-that; brahmanah-of Brahma; viduh-know it; ratrim-night; yuga-millenniums; sahasra-antam-similarly, at the end of one thousand; te-that; ahah-ratra-day and night; vidah-understand; janah-people.