Taqiyah (cap) worn in India, Bangladesh, Pakistan, and other regions of South Asia. Many different types of topi caps include the Sindhi cap, worn in Sindh, and the crochet topi that is often worn at Muslim prayer services (see salat). The topi cap is often worn with salwar kameez, which is the national costume of Pakistan. "Taqiyah" is the Arabic word for a Muslim skullcap which is derived from (), means a ""dome"". This concept is taken from the Jewish traditions as the cap "kippah" () literally means a ""dome"" ( "Qubba") as well, and whoever wears this dome acknowledges the constant
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