Mishnaic Hebrew century after the publication of the Mishnah, Mishnaic Hebrew began to fall into disuse as a spoken language. The Babylonian Gemara (, circa 500), as well as the earlier Jerusalem Talmud published between 350 and 400, generally comment on the Mishnah and Baraitot in Aramaic. Nevertheless, Hebrew survived as a liturgical and literary language in the form of later Amoraic Hebrew, which sometimes occurs in the Gemara text. Many of the characteristic features of Mishnaic Hebrew pronunciation may well have been found already in the period of Late Biblical Hebrew. A notable characteristic distinguishing it from Biblical Hebrew of the
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