San (letter) San (letter) San (Ϻ) was an archaic letter of the Greek alphabet. Its shape was similar to modern M, or ϡ, or to a modern Greek Sigma (Σ) turned sideways, and it was used as an alternative to Sigma to denote the sound . Unlike Sigma, whose position in the alphabet is between Rho and Tau, San appeared between Pi and Qoppa in alphabetic order. In addition to denoting this separate archaic character, the name "San" was also used as an alternative name to denote the standard letter Sigma. The existence of the two competing letters Sigma and San is
History of the Greek alphabet depending on their place in the word. Early printers, such as Aldus Manutius and Claude Garamond, attempted to imitate this, basing their printing on the writing of Greek scribes, producing a style text similar to modern italics. As Greece was occupied by the Ottoman Empire until the nineteenth century, early printers of (mostly ancient) Greek were mostly based in western Europe; few were Greek. This led to the adoption of writing conventions for Greek such as letter case influenced by printing and developments in the Latin alphabet. Cursive-inspired Greek print slowly disappeared during the eighteenth and nineteenth centuries in favour