Mizrahi Jews the unique rite of the Yemenite Jews, and lately, Beta Israel religious leaders in Israel have also joined Sefardi rite collectivities, especially following rejection of their Jewishness by some Ashkenazi circles. The reason for this classification of all Mizrahim under Sephardi rite is that most Mizrahi communities use much the same religious rituals as Sephardim proper due to historical reasons. The prevalence of the Sephardi rite among Mizrahim is partially a result of Sephardim proper joining some of Mizrahi communities following the 1492 Alhambra Decree, which expelled Jews from Sepharad (Spain and Portugal). Over the last few centuries, the previously
Sephardi Hebrew the Ashkenazi pronunciation was derived from that of Palestine in Geonic times (7th-11th centuries) and that the Sephardi pronunciation was derived from that of Babylonia. The theory was supported by the fact that in some respects, Ashkenazi Hebrew resembles the western dialect of Syriac, and Sephardi Hebrew resembles the eastern dialect: Eastern Syriac "Peshitta" as against Western Syriac "Peshito". Ashkenazi Hebrew, in its written form, also resembles Palestinian Hebrew in its tendency to "malē" spellings (see Mater lectionis). Others, including Abraham Zevi Idelsohn, believed that the distinction is more ancient and represents the distinction between the Judaean and Galilean dialects