Mizrahi Jews description, and prefer to identify themselves by their particular country of origin, or that of their immediate ancestors, e. g., "Moroccan Jew", or prefer to use the old term "Sephardi" in its broader meaning. Some modern Arab Muslims and Christians are probably descendants of biblical/ancient Jews who later converted to Christianity and Islam. Today, many identify all non-Ashkenazi rite Jews as Sephardi - in modern Hebrew "Sfaradim", mixing ancestral origin and religious rite. This broader definition of "Sephardim" as including all, or most, Mizrahi Jews is also common in Jewish religious circles. During the past century, the Sephardi rite absorbed
Ashkenazi Hebrew from Spain in 1492 (or before) the Sephardic pronunciation of the vowels became standard in all these countries, ironing out any differences that previously existed. This makes it harder to adjudicate between the different theories on the relationship between today's pronunciation systems and those of ancient times. Leopold Zunz believed that the Ashkenazi pronunciation was derived from that of Palestine in Geonic times (7th–11th centuries CE), while the Sephardi pronunciation was derived from that of Babylonia. This theory was supported by the fact that, in some respects, Ashkenazi Hebrew resembles the western dialect of Syriac while Sephardi Hebrew resembles the