LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

aerūginōsus

aerūginōsus (feminine aerūginōsa, neuter aerūginōsum)
Classical[ae̯.ruː.ɡɪˈnoː.sʊs]Ecclesiastical[e.ru.d͡ʒiˈnɔː.s̬us]

Meaning

  1. adjectiverusty, covered with copper rust
    Illum tu otiosum vocas qui Corinthia, paucorum furore pretiosa, anxia suptilitate concinnat et maiorem dierum partem in aeruginosis lamellis consumit?Would you say that that man is at leisure who arranges with finical care his Corinthian bronzes, that the mania of a few makes costly, and spends the greater part of each day upon rusty bits of copper? — J. Basore, 1932 translation http://www.forumromanum.org/literature/seneca_younger/brev_e.html#12Seneca the Younger, De Brevitate Vitae 10.12
    […] ut Bassus Iulius qui dixit: ‘extra portam hanc virginem’ et: ‘ostende istam aeruginosam manum’ …[…] like Bassus Julius, who said: ‘this maiden outside of the gate’ and ‘show that rusty hand of yours’ …Seneca the Elder, Controversiae, I.2.21

Declension

singular
formmasculinefeminineneuter
nominativeaerūginōsusaerūginōsaaerūginōsum
genitiveaerūginōsīaerūginōsaeaerūginōsī
dativeaerūginōsōaerūginōsaeaerūginōsō
accusativeaerūginōsumaerūginōsamaerūginōsum
ablativeaerūginōsōaerūginōsāaerūginōsō
vocativeaerūginōseaerūginōsaaerūginōsum
plural
formmasculinefeminineneuter
nominativeaerūginōsīaerūginōsaeaerūginōsa
genitiveaerūginōsōrumaerūginōsārumaerūginōsōrum
dativeaerūginōsīsaerūginōsīsaerūginōsīs
accusativeaerūginōsōsaerūginōsāsaerūginōsa
ablativeaerūginōsīsaerūginōsīsaerūginōsīs
vocativeaerūginōsīaerūginōsaeaerūginōsa

aerūgĭnōsus, a, um, adj. id.,
I. full of copper-rust, rusty (perh. only in Seneca): manus, Contr. 1, 2 fin.: lamellae, id. Brut. Vit. 12.

Origins

Proto-Indo-European *h₃ed- Proto-Indo-European *-os Proto-Indo-European *h₃édosder.? Proto-Italic *-ŏ̄dsos? Old Latin -ōssus Latin -ōsus Latin aerūginōsus From aerūgō (“rust of copper, verdigris”) + -ōsus.

Descendants
  • Catalaneruginós
  • Englishæruginous
  • Englisheruginous
  • Frenchérugineux
  • Italianrugginoso
  • Portugueseaeruginoso
  • Portugueseeruginoso
  • Romanianruginos
  • Spanishroñoso
  • Spanisheruginoso

In English words that came into English from aerūginōsus

  • aeruginousaerūginōsus

Quick answers

What does aerūginōsus mean in Latin?
aerūginōsus, a adjective, means “rusty, covered with copper rust”.
How do you pronounce aerūginōsus?
In classical Latin, [ae̯.ruː.ɡɪˈnoː.sʊs]; in ecclesiastical (church) Latin, [e.ru.d͡ʒiˈnɔː.s̬us].