The Ephesian Letters
by Estéban Trujillo de Gutiérrez
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.