copperous
adjEtymology From copper + -ous.
1
Coppery.
- She calls his attention to those copperous clouds beyond the river, and says that the wind is rising.1870 April–September, Charles Dickens, The Mystery of Edwin Drood, London: Chapman and Hall, […], published 1870, →OCLC:
- Calcareous, copperous, greenish stone.1770, abbé Chappe d'Auteroche, A Journey Into Siberia: Made by Order of the King of France (page 213)