LATIN DICTIONARYLexicon Latīnum
noun · femininethird declension

aerūgō

aerūgō f (genitive aerūginis)
Classical[ae̯ˈruː.ɡoː]Ecclesiastical[eˈruː.ɡo]

Meaning

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

Declension

declension
formsingularplural
nominativeaerūgōaerūginēs
genitiveaerūginisaerūginum
dativeaerūginīaerūginibus
accusativeaerūginemaerūginēs
ablativeaerūgineaerūginibus
vocativeaerūgōaerūginēs

aerūgo, ĭnis, f. aes, as ferrugo from ferrum.
I. Rust of copper: aes Corinthium in aeruginem incidit, * Cic. Tusc. 4, 14; Plin. 15, 8, 8, § 34; 34, 17, 48, § 160.—
B. Transf.
1. The verdigris prepared from the same: Aeruginis quoque magnus usus est, Plin. 34, 11, 26, § 110.—
2. In gen., rust of gold and silver: aerugo eorum (auri et argenti) in testimonium vobis erit, Vulg. Jac. 5, 3.—
3. Poet. (as pars pro toto, and sarcastic.), money, Juv. 13, 60.—
II. Trop.
A. Envy, jealousy, ill-will (which seek to consume the possessions of a neighbor, as rust corrodes metals): haec est Aerugo mera, Hor. S. 1, 4, 101: versus tincti viridi aerugine, Mart. 10, 33, 5; 2, 61, 5.—
B. Avarice, which cleaves to the mind of man like rust: animos aerugo et cura peculi Cum semel imbuerit, Hor. A. P. 330.

Origins

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

Borrowings
  • Englishaerugo
  • Englishaerugite
  • Portugueseaerugita
  • Italianerúgine

In English words that came into English from aerūgō

  • aerugoaerūgō
  • aeruginousaerūginōsus

Quick answers

What does aerūgō mean in Latin?
aerūgō, a noun, means “rust of copper, verdigris; canker of the mind, ill will, envy, avarice”.
What is the genitive of aerūgō?
The genitive singular is aerūginis. aerūgō is feminine, third declension.
How do you pronounce aerūgō?
In classical Latin, [ae̯ˈruː.ɡoː]; in ecclesiastical (church) Latin, [eˈruː.ɡo].