grosion means piastre; A unit of currency in Crete before it became part of modern Greece. Lexicurio rates it Rare gem — a strength score of 74 out of 100.
Etymology
Back formation of a false singular from Greek γρόσια, when real singular is γρόσι, which in turn is derived from قروش kuruş from French gros meaning heavy
noun
- piastre; A unit of currency in Crete before it became part of modern Greece.