IPA: /ˈkʌrənsi/
KK: /ˈkɜrənsi/
A system of money that is used in a particular country or region for buying and selling goods and services.
The currency in Japan is the yen.
Currency → It is derived from the Latin word "currens" (meaning running or flowing), which is the present participle of "currere" (meaning to run). The term originally referred to the flow of money or the circulation of coins in an economy.
Think of money 'flowing' ('currere') in an economy, which helps you remember that 'currency' refers to the medium of exchange used in transactions.