yas tunmukhatvad varnanam
mukhyo 'bhud brahmano guruh
mukhatah-from the mouth; avartata-generated; brahma-the Vedic wisdom; purusasya-of the virata-purusa, the gigantic form; kuru-udvaha-O chief of the Kuru dynasty; yah-who are; tu-due to; unmukhatvat-inclined to; varnanam-of the orders of society; mukhyah-the chief; abhut-so became; brahmanah-called the brahmanas; guruh-the recognized teacher or spiritual master.