... advocated. A lexicographical tablet gives shabattu as the equivalent of um nuh libbi, "the day of the appeasement of the heart" (of the gods). Furthermore, a religious calendar of the intercalary month Elul and of the month Marchesvan mentions the 7th, 14th, 21st, 28th, and 19th days, the latter probably because it was the 49th (7x7) day from the beginning of the preceding month, as days on which the king, the magician, and the physician were to abstain from certain acts. The king, for instance, was not to eat food prepared with fire, put on bright garments, ride in a chariot, or exercise acts of authority. These days were then, days of propitiation, and therefore shabattu days. We have thus periods of seven days the last day of which is marked by abstention from certain actions, and called shabattu, in other words the equivalent of the Sabbath. A Babylonian origin ...

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