[Hermes Tris.me.gis.tus] n [ML, fr. Gk Hermes trismegistos, lit., Hermes thrice greatest]: a legendary author of works embodying magical, astrological, and alchemical doctrines
HERMES TRISMEGISTUS
Meaning of HERMES TRISMEGISTUS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012