aeruginous

adjective

ae·​ru·​gi·​nous

ē-ˈrü-jə-nəs,

i-,

ī-

variants or less commonly eruginous

ē-ˈrü-jə-nəs,

i-,

e-

: having the characteristics of or the color of verdigris

Word History

Etymology

Middle English eruginose, borrowed from Anglo-French & Latin; Anglo-French erugineuse, borrowed from Latin aerūginōsus "covered with verdigris, rusty," from aerūgin-, aerūgō "verdigris" + -ōsus -ous

First Known Use

15th century, in the meaning defined above

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