cinereous

adjective
ci·ne·re·ous | \sə-ˈnir-ē-əs \

Definition of cinereous 

1 : gray tinged with black

2 : resembling or consisting of ashes

First Known Use of cinereous

1661, in the meaning defined at sense 1

History and Etymology for cinereous

Latin cinereus, from ciner-, cinis

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The first known use of cinereous was in 1661

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