The phrase ‘mantra’ has two roots: person and tra, points out Dr. Chopra, who is also a medical professor of spouse and children medicine and community overall health in the College of California-San Diego and creator of many textbooks, including Om Namah Shivaya: A preferred mantra through the Hindu custom, https://trevorwiteo.p2blogs.com/35129736/detailed-notes-on-beej-mantra