bhūtendriya-manomayam

sahasra-sirasam-with a thousand heads; saksat-directly; yam-whom; anantam-Ananta; pracaksate-they call; saṅkarsana-akhyam-Saṅkarsana by name; purusam-the Supreme Personality of Godhead; bhuta-the gross elements; indriya-the senses; manah-mayam-consisting of the mind.