Psi (letter) Psi (letter) Psi (; uppercase ', lowercase '; "psi" ) is the 23rd letter of the Greek alphabet and has a numeric value of 700. In both Classical and Modern Greek, the letter indicates the combination /ps/ (as in English word "lapse"). For Greek loanwords in Latin and modern languages with Latin alphabets, psi is usually transliterated as "ps". The letter's origin is uncertain. It may or may not derive from the Phoenician alphabet. It appears in the 7th century BC, expressing /ps/ in the Eastern alphabets, but /kʰ/ in the Western alphabets (the sound expressed by Χ in the
History of the Greek alphabet Daemon”, he describes how Agesilaus king of Sparta, uncovers Alcmene’s tomb at Haliartus and discovers a brazen plate on which a very ancient script was written, much older than the Ancient Greek alphabet. Agesilaus sent a transcript to Egypt in order to be translated back into Ancient Greek. Agetoridas the Spartan travelled to Memphis of Egypt and gave the transcript to Chonouphis the Egyptian priest. Some scholars speculate that this plate was written in Linear B. Agesilaus’ decision to have text sent to Egypt is not unreasonable; it is widely accepted that Ancient Egyptians during the 4th century BC were