altyn

The story

1. Tatar · derived fromалтын“gold”
2. Tatar · derived fromалты“six”
3. Russian · borrowed fromалты́н
4. English todayaltyn

Borrowed from Russian алты́н (altýn), either from Tatar алты (altı, “six”), referring to six dengas (six half-kopeks), or from Tatar алтын (altın, “gold”). These small coins were never minted in gold; however, compare the semantic evolution of Latin solidus from a Roman gold coin to a medieval silver shilling.