MEM & J

Mem (also spelled Meem, Meme, or Mim) is the thirteenth letter of the Semitic abjads, including Hebrew mēm מ‎, Aramaic mem 𐡌, Syriac mīm ܡ, Arabic mīm م‎, and Phoenician mēm 𐤌. Its sound value is [m]. It is also related to the Ancient North Arabian 𐪃‎‎‎, South Arabian 𐩣, and Ge'ez መ. The Phoenician letter gave rise to the Greek mu (Μ), Etruscan , Latin M, and Cyrillic М.