Hermes Trismegistus and The Secret Knowledge Of Hermetica

In the Hellenistic era, worship of the Greek god Hermes was combined with the cult of the Egyptian god Thoth, which gave rise to the cult of Hermes Trismegistus ("thrice-greatest Hermes").

The Hermetica: The Lost Wisdom of the Pharaohs - https://amzn.to/2Jvinw8