noun \ˈā-ˌkyü, ā-kue\
plural ecus \-ˌkyüz, -ku̅e̅\

Definition of ECU

:  any of various old French units of value; also :  a coin representing an ecu

Origin of ECU

Middle French, literally, shield, from Old French escu, from Latin scutum; from the device of a shield on the coin — more at esquire
First Known Use: circa 1593


noun, often capitalized E&C&U \ˌē-(ˌ)sē-ˈyü\

Definition of ECU

:  a money of account based on the currency units of members of the European Union from 1979 up to the introduction of the euro in 1999

Origin of ECU

European Currency Unit (influenced by French écu ecu)
First Known Use: 1970


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