seignorage
/sɛɡnɔːrɪdʒ/Definitions
1. noun
A fee charged by a feudal lord for the right to collect taxes or exercise other privileges in a particular area.
“The seignorage imposed by the local lord was a significant burden on the peasants.”
2. noun
The value or profit derived from the difference between the face value of a coin or a currency and its intrinsic value.
“The seignorage on gold coins was a major factor in their popularity among collectors.”