Ψ
Ψ ψ, ψεῖ (q. v.), τό, indecl., twenty-third letter of the Ionic alphabet, Cra. 427a , Callias ap. : not used in the Attic alphabet: in the Western Gr. alphabets it represents the sound 10.453d χ (
A). kh): with the value ps it is found in SIG 1 (Nubia, vi B. C.), etc.: as a numberal, ψ/ = 700 , but = 700 , 000 .