The sixth, part of an hin, etc. According to the varying accounts of the "hin" given by Jewish writers, this would give from 6 to 9 of a pint. And this was, like the food, to be doled out once a day.
Possibly "the bread of affliction and the water of affliction," in 1 Kings 22:27 and Isaiah 30:20, contains a reference to the quantity as well as the quality of a prison dietary as thus described. Isaiah's words may refer to the siege of Sennacherib, as Ezekiel's do to the siege of Nebuchadnezzar.