aeruginous

[ ih-roo-juh-nuh s, ahy-roo- ]
/ ɪˈru dʒə nəs, aɪˈru- /

adjective

bluish-green; like verdigris.

Origin of aeruginous

1595–1605; < Latin aerūginōsus, equivalent to aerūgin- (stem of aerūgō) aerugo + -ōsus -ous