Hermes Trismegistus (from Ancient Greek: Ἑρμῆς ὁ Τρισμέγιστος, "Hermes the Thrice-Greatest") is a legendary Hellenistic period figure that originated as a syncretic combination of the Greek god Hermes and the Egyptian god Thoth. He is the purported author of the Hermetica, a widely diverse series of ancient and medieval pseudepigraphica that laid the basis of various philosophical systems known as Hermeticism. The wisdom attributed to this figure in antiquity combined a knowledge of both the mat…