Shin

Shin is the twenty-first and penultimate letter of the Semitic abjads, including Phoenician šīn ?, Hebrew šīn ש, Aramaic šīn ?, Syriac šīn ܫ, and Arabic sīn س. Its sound value is a voiceless sibilant, or. The Phoenician letter gave rise to the Greek Sigma, and the letter Sha in the Glagolitic and Cyrillic scripts.