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(Hebrew: "may he [i.e., God] remember"), the opening word of memorial prayers recited for the dead by Ashkenazic (German-rite) Jews during synagogue services on Yom Kippur (Day of Atonement), on the eighth day of Passover (Pesah), on Shemini Atzeret (the eighth day of Sukkot, the Feast of Tabernacles), and on the second day of Shavuot (Feast of Weeks). The prayers, recited after the reading of the Law and before the Torah scrolls are returned to their place in the holy ark, permit the worshipers to insert the names of departed relatives, who, it is believed, are also in need of atonement. This now-popular custom of praying for the dead arose during the European Middle Ages, when the names of Jewish martyrs were regularly read aloud during the services.