oleaster

noun
ole·as·ter | \ˈō-lē-ˌa-stər, ˌō-lē-ˈa-\

Definition of oleaster 

: any of several plants (genus Elaeagnus of the family Elaeagnaceae, the oleaster family) having alternate leaves and small often fragrant flowers with four stamens especially : russian olive

First Known Use of oleaster

14th century, in the meaning defined above

History and Etymology for oleaster

Middle English, from Latin, from olea

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The first known use of oleaster was in the 14th century

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