From the Greekgod and mythological alchemistHermes Trismegistus, who was said to possess a magic ability to seal (with spells) treasure chests so that nothing could access their contents.
Adjective
Of or pertaining to Hermes Trismegistus.
Of or pertaining to alchemy or occult practices.
Obscure; secret or unrevealed.
Isolated, away from outside influence.
Airtight or gas-tight; impervious to air or gases.
