Definition of aeruginous in English:

aeruginous

Pronunciation /ɪəˈruːdʒɪnəs/

adjective

(also aerugineous)
Medicine Botany
  • Of the nature or colour of verdigris; containing or characterized by basic copper carbonate; bluish-green.

Origin

Late Middle English; earliest use found in Guy de Chauliac's Grande Chirurgie. From (i) Anglo-Norman and Middle French erugineux, French érugineux (of bile or other bodily humours) of the colour of verdigris, covered with verdigris, of a colour similar to verdigris.