Mishnah

משנה

Mishnah- a Hebrew word meaning "repetition".  The Mishnah is one of two major divisions of the Jewish Talmud.  The Mishnah contains the first written redaction of Jewish case-law and commentary about the Law of Moses.  This "Oral Law" provided the rulings of Jewish judges and rabbis regarding the "Written Law" given by Moses at Mt. Sinai.  Pronounced MEESH nah.

see http://www.jewishencyclopedia.com/articles/10879-mishnah