ص ṣād called صاد مہمله and صادغيرمنقوطه the four- teenth letter of the Arabic alphabet, does not properly occur in the Persian language; but, in a few words it has, in modern times, been substituted for the original س to distinguish them from others of a different signification; as, in صد, originally سد One hundred; and in شصت originally شست Sixty; to prevent their being confounded with سد A wall, and شست An aim. It has no corresponding let- ter in the Sanskrit alphabet. In Persia and