E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Instruction. A word applied by the Jews to the oral law. It is divided into six parts: (1) agriculture; (2) Sabbaths, fasts, and festivals; (3) marriage and divorce; (4) civil and penal laws; (5) sacrifices; (6) holy persons and things. The commentary of the Mishna is called the Gemara. (Hebrew, shanah, to repeat.)