drawback

n. 1. A loss of advantage, or deduction from profit, value, success, etc.; a discouragement or hindrance; objectionable feature. [ 1913 Webster ]

The avarice of Henry VII . . . . must be deemed a drawback from the wisdom ascribed to him. Hallam. [ 1913 Webster ]

2. (Com.) Money paid back or remitted; especially, a certain amount of duties or customs, sometimes the whole, and sometimes only a part, remitted or paid back by the government, on the exportation of the commodities on which they were levied. M&unr_;Culloch. [ 1913 Webster ]