[Heb. ‘thou shalt cast,’ future Hiphil to cast.] A symbolical custom, popularly in vogue among Jews, of repairing, on New Year’s Day, to a stream of running water, and repeating certain biblical verses indicative of sin and forgiveness, specially Micah vii. 19, ‘Thou wilt cast all their sins into the depths of the sea.’

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1871.  New Era, II. Nov., 35. On last Rosh Hashana a number of Jews, for the most part Russians and Poles, collected at the foot of one of the East Side streets and went through the unseemly and senseless performance [of Tashlich].

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1880.  Jewish World, 30 Sept. Tashlich … a simple fad of mediæval rabbinism, of late date and origin, and wholly unknown to our ancient sages.

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1902.  Daily Chron., 2 Oct., 7/1. They have imported with them from their native ghettos the singular practice known as ‘Tashlikh,’ which is performed by the side of a stream of running water or on the seashore…. A favourite resort for the purpose of ‘Tashlikh’ is the Custom House Quay, and the front walk of the Tower.

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