Prefixes in Hebrew Prefixes in Hebrew There are several prefixes in the Hebrew language which are appended to regular words to introduce a new meaning. In Hebrew, the letters that form those prefixes are called "formative letters" (Hebrew: אוֹתִיּוֹת הַשִּׁמּוּשׁ, "Otiyot HaShimush"). Eleven of the twenty-two letters of the Hebrew alphabet are considered "Otiyot HaShimush". These letters are Aleph (א), Bet (ב), He (ה), Vav (ו), Yud (י), Kaf (כ), Lamed (ל), Mem (מ), Nun (נ), Shin (ש), and Tav (ת). A mnemonic to remember these letters is איתן משה וכלב ("Eitan, Moshe, v'Kalev"), which translates to "Ethan, Moses, and Caleb." Prefixes in
Hebrew alphabet to the letters is the teaching of Rabbi Eliezer that the five letters of the alphabet with final forms hold the "secret of redemption". In addition, the letters occasionally feature in aggadic portions of non-mystical rabbinic literature. In such aggada the letters are often given anthropomorphic qualities and depicted as speaking to God. Commonly their shapes are used in parables to illustrate points of ethics or theology. An example from the Babylonian Talmud (a parable intended to discourage speculation about the universe before creation): Extensive instructions about the proper methods of forming the letters are found in Mishnat Soferim, within