LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Avernus

Avernus m sg (genitive Avernī)
Classical[aˈwɛr.nʊs]Ecclesiastical[aˈvɛr.nus]

Meaning

  1. masculinesingularAvernus (lake in Southern Italy)
  2. masculinesingularThe underworld

Declension

declension
formsingularplural
nominativeAvernus—
genitiveAvernī—
dativeAvernō—
accusativeAvernum—
ablativeAvernō—
vocativeAverne—
locativeAvernī—

Ăvernus, a, um, adj., = ἄορνος.
I. Without birds: loca, where no birds can live, on account of the pestiferous exhalations, Lucr. 6, 738 sq.; 6, 818: aestus, the vapor of Avernus, id. 6, 830.—But esp. Avernus lacus or absol. Avernus, Lake Avernus, near Cumœ, Puteoli, and Baiœ, almost entirely enclosed by steep and wooded hills (now Lago Averno), whose deadly exhalations killed the birds flying over it; therefore the myth placed near it the entrance to the lower world, Plin. 3, 5, 9, § 61; Cic. Tusc. 1, 16, 37; Lucr. 6, 746; Verg. A. 6, 201 al.; cf. Mann. Ital. I. p. 718 sq.; Heyne, Excurs. II. ad Verg. A. 6.—The renowned Cumæan Sibyl also dwelt in a grotto near it.—Poet., the lower world, the infernal regions, Ov. Am. 3, 9, 27; Luc. 6, 636; Mart. 7, 46 al.—Also = Acheron: pigri sulcator Averni, Stat. Th. 11, 588.—Personified as a deity, acc. to Serv. ad Verg. G. 2, 164.—Hence,
II. Another adj.: ăvernus, a, um.
A. Belonging to Lake Avernus: luci, Verg. A. 6, 118; 6, 564: valles, Ov. M. 10, 51: freta, Lake Avernus, Verg. G. 2, 164.—Also absol.: ăverna, ōrum, n. (sc. loca), Verg. A. 3, 442; 7, 91; Ov. M. 14, 105.—
B. Of or belonging to the infernal regions: stagna, Verg. G. 4, 493: tenebrae, Sil. 15, 76: Juno, i. e. Proserpina, Ov. M. 14, 114; Sil. 13, 601 (cf.: Juno inferna, Verg. A. 6, 138).

Origins

Ancient Greek ἄορνος (áornos), ἄϝορνος (áwornos, “birdless”), from ἀ- (a-, “without”) + ὄρνις (órnis, “bird”). The lack of birds was likely due to fatal gases like carbon dioxide seeping from the volcanically active lake.

Descendants
  • Catalanavern
  • EnglishAvernus
  • FrenchAverne
  • Frenchaverne
  • ItalianAverno
  • Italianaverno
  • Portugueseaverno
  • Spanishaverno
  • Galicianaverno

In the Academy Smith's classical dictionaries

Quick answers

What does Avernus mean in Latin?
Avernus, a proper noun, means “Avernus (lake in Southern Italy); The underworld”.
What is the genitive of Avernus?
The genitive singular is Avernī. Avernus is masculine, second declension.
How do you pronounce Avernus?
In classical Latin, [aˈwɛr.nʊs]; in ecclesiastical (church) Latin, [aˈvɛr.nus].