Ancient Hebrew writings the Tannaim (rabbis cited in the Mishnah), the spoken vernacular of Jews in Judaea was a late form of Hebrew known as Rabbinic or Mishnaic Hebrew, whereas during the period of the Amoraim (rabbis cited in the Gemara), which began around 200 CE, the spoken vernacular was Aramaic. Hebrew continued to be used for the writing of religious texts, poetry, and so forth. There are significant differences between the two Talmud compilations. The language of the Jerusalem Talmud is a Western Aramaic dialect, which differs from the form of Aramaic in the Babylonian Talmud. The Jerusalem Talmud is often fragmentary
Sefer (Hebrew) Sefer (Hebrew) Sefer in biblical Hebrew means any kind of "book" or written document (plural s'farim). It is derived from the same Hebrew root as "sofer" ("scribe"), "sifriyah" ("library") and "safrut" ("literature"). Among Orthodox Jews the word is used for books both of the Tanakh, the oral law (Mishnah and Talmud) or any work of Rabbinic literature. Works unrelated to Torah study are rarely called "sefer" by English-speaking Orthodox Jews. Among Hebrew-speaking Ashkenazi Jews, the differentiation between books related to Torah study and other books is made by referring to the former with traditional Ashkenazi pronunciation (SEY-fur) and to the