Swami is a primarily Hindu honorifc derived from the Sanskrit word meaning master. It is a title prefixed to a name that connotes learning and, of course, mastery of a specific field of knowledge, most often religious and/or spiritual. Many great yogiss and gurus (teachers) of the Hindu tradition have the title Swami appended to their name, two notable of whom are Swami Vivekananda and Swami Sivananda.