aerugo

Borrowed from Latin aerūgō, from aes (“copper, bronze, brass”).

• IPA^(key): /iːˈɹuːɡoʊ/, /ɪˈɹuːɡoʊ/, /aɪˈɹuːɡoʊ/

aerugo (uncountable)

1. metallic rust, particularly of brass or copper; verdigris; patina

• Aguero

aes (“copper”, “bronze”, “brass”, oblique stem: aer-) +‎ -ūgō

• (Classical Latin) IPA^(key): /ae̯ˈruː.ɡoː/, [äe̯ˈruːɡoː]
• (modern Italianate Ecclesiastical) IPA^(key): /eˈru.ɡo/, [eˈruːɡo]

aerūgō f (genitive aerūginis); third declension

1. rust of copper, verdigris
2. canker of the mind, ill will, envy, avarice

Third-declension noun.

• aerūginōsus

• “aerugo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “aerugo”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• aerugo in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• aerugo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• “aerūgō” on page 70/2 of the Oxford Latin Dictionary (1st ed., 1968–82)
• “aerugo”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers