The Wealth of Nations by Part 5 Chapter 2 Page 189

a licence to drink tea. I have already mentioned a tax upon bread, which, so far as it is consumed in farm-houses and country villages, is there levied in the same manner.

The duties of excise are imposed briefly upon goods of home produce destined for home consumption. They are imposed only upon a few sorts of goods of the most general use. There can never be any doubt either concerning the goods which are subject to those duties, or concerning the particular duty which each species of goods is subject to. They fall almost altogether upon what I call luxuries, excepting always the four duties above mentioned, upon salt soap, leather, candles, and, perhaps, that upon green glass.

The duties of customs are much more ancient than those of excise.