noun
money exchanger
Historical term for a person who exchanged currencies, especially in the Edo period.
江戸時代には、両替人が貨幣の交換を行っていた。
In the Edo period, money exchangers handled currency exchange.
Compound of 両替 (りょうがえ, 'money exchange') and 人 (にん, 'person'). The exact historical derivation is straightforward; the term is associated with the Edo-period financial system.