1642 (implied in
theosophical), "knowledge about God and nature obtained through mystical study," from M.L.
theosophia (c.880), from Late Gk.
theosophia (c.500, Pseudo-Dionysus) "wisdom concerning God or things divine," from Gk.
theosophos "one wise about God," from
theos "god" (see
Thea) +
sophos "wise, learned." Taken as the name of a modern philosophical system (sometimes called Esoteric Buddhism), founded in New York 1875 as "Theosophical Society" by Madame Blavatsky and others, which combines teachings of Hinduism and Buddhism.