maricih-the great saintly person known as Marici; manasah tasya-from the mind of Lord Brahma; jajne-took birth; tasya api-from Marici; kasyapah-Kasyapa (took birth); daksayanyam-in the womb of the daughter of Maharaja Daksa; tatah-thereafter; adityam-in the womb of Aditi; vivasvan-Vivasvan; abhavat-took birth; sutah-a son.