Judaism In addition, many Reform temples use musical accompaniment such as organs and mixed choirs. A "kippah" (Hebrew: כִּפָּה, plural "kippot"; Yiddish: יאַרמלקע, "yarmulke") is a slightly rounded brimless skullcap worn by many Jews while praying, eating, reciting blessings, or studying Jewish religious texts, and at all times by some Jewish men. In Orthodox communities, only men wear kippot; in non-Orthodox communities, some women also wear kippot. "Kippot" range in size from a small round beanie that covers only the back of the head to a large, snug cap that covers the whole crown. "Tzitzit" (Hebrew: צִיציִת) (Ashkenazi pronunciation: "tzitzis") are
Study of the Hebrew language Arab grammarians, Rabbi Saadia Gaon (tenth century) made the Jewish study of Hebrew grammar almost scientific. Later Jewish grammarians include David Qimhi (known as the Radak), Abraham ibn Ezra, and Judah ben David Hayyuj. Eliezer Ben Yehuda is credited by many as being almost single-handedly responsible for the Zionist movement's revitalization of Hebrew as a modern spoken language, although in his book "Language in Time of Revolution" the Israeli linguist and literature researcher Benjamin Harshav diminishes Ben-Yehuda's role and attributes the success of the revival to a wider movement in the Jewish society. The first major non-Jewish grammarian was John