Eurotas

Eurotas, the classic name of the Iri, a river of Greece, which flows past Sparta and discharges into the Gulf of Laconia, 30 m. long.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Europe * Eurus
[wait for the fun]
Euphemism
Euphrates
Euphrosyne
Euphuism
Eure
Eure-et-Loir
Eureka
Euripides
Europa
Europe
Eurotas
Eurus
Eurydice
Eurystheus
Eusebius Pamphili
Eustachio, Bartolommeo
Eustathius
Euterpë
Eutropius, Flavius
Eutyches
Eutychianism