Talmud Hebrew and Jewish Babylonian Aramaic and contains the teachings and opinions of thousands of rabbis (dating from before the Common Era through to the fifth century) on a variety of subjects, including "halakha", Jewish ethics, philosophy, customs, history, lore and many other topics. The Talmud is the basis for all codes of Jewish law, and is widely quoted in rabbinic literature. Talmud translates as "instruction, learning", from a root " "teach, study". Originally, Jewish scholarship was oral. Rabbis expounded and debated the Torah (the written Torah expressed in the Hebrew Bible) and discussed the Tanakh without the benefit of written
Zarphatic language led to the development of Yiddish. It was written by a modified Hebrew script and first appeared in the 11th century, in glosses to texts of the Hebrew Bible and the Talmud written by the great rabbis Rashi and Moshe HaDarshan. Constant expulsions and persecutions, resulting in great waves of Jewish migration, brought about the extinction of Zarphatic by the end of the 14th century. One feature, unlike most other Indo-European Jewish languages, was that to represent vowel sounds, instead of using Hebrew letters with no matching phonemes in the language, it made extensive use of the Tiberian system of