ψ
ψ
Ψ, ψ, ψῖ, τό, indecl., twenty-third letter of the Gr. alphabet: as a numeral, ψʹ 700, but ͵ψ 700, 000.— The letter ψ is a double Consonant, compounded of the labial π or φ with ς, πς, φς: the character ψ, ascribed to Simonides, was adopted at Athens in the archonship of Euclides (Ol. 94. 2) at the same time with η, ω, ξ.