The Ephesian Letters

The Ephesian letters:

askion

kataskion

lix

tetrax

damnameneus

aision

…were words of mystery or words of magic, voces magicae, or voces mysteriae, used in “ancient Greece and Rome.”

–Barry J. Blake, Secret Language: Codes, Tricks, Spies, Thieves, and Symbols, 2010, pg. 147.