D. Harper. “Etymology of euro.” Online Etymology Dictionary. https://www.etymonline.com/word/euro (accessed $(datetime)).
updated on October 10, 2017
Definitions of Euro from WordNet
the basic monetary unit of most members of the European Union (introduced in 1999); in 2002 twelve European nations (Germany, France, Belgium, Luxembourg, the Netherlands, Italy, Spain, Portugal, Ireland, Greece, Austria, Finland) adopted the euro as their basic unit of money and abandoned their traditional currencies;
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.