primage

Etymology 1
From. (The French word post-dates the English.)

Noun

 * 1)  A payment made for loading or unloading a ship, or for care of goods during transit by ship.
 * 2)  An import duty levied by a guild of harbour pilots (especially at Kingston-upon-Hull and Newcastle-upon-Tyne).
 * 3)  An additional import duty levied by customs.
 * 4) * 1932, E. T. McPhee (Commonwealth Statistician), Official Year Book of the Commonwealth of Australia: No. 25 - 1932,
 * The rate of primage duty was subsequently increased to 4 per cent. as from the 6th November, 1930.
 * The rate of primage duty was subsequently increased to 4 per cent. as from the 6th November, 1930.

Etymology 2
From.

Noun

 * 1)  Droplets of water suspended in steam (especially in the cylinder of a steam engine).