LATIN DICTIONARYLexicon Latīnum
proper noun · femininethird declension

Andēs

Andēs f pl (genitive Andium)

Meaning

  1. New LatinAndes (a mountain range in South America)

Declension

declension
formsingularplural
nominative—Andēs
genitive—Andium
dative—Andibus
accusative—Andēs
Andīs
ablative—Andibus
vocative—Andēs

Andes, ium, or Andecāvi or Andicāvi, ōrum, m.,
I. a Gallic tribe in the region of the present Anjou, with a town of the same name, now Angors; form Andes, Caes. B. G. 2, 35.—Form Andecāvi, Tac. A. 3, 41.—Form Andi-cāvi, Plin. 4, 18, 32, § 107 Jan; cf. Mann. Gall. 163.
Andes, is, m.,
I. a village near Mantua, the birthplace of Vergil, now Pietola; hence, Andīnus, a, um, of or from Andes: Andinus, i. e. Vergil, Sil. 8, 595.

Origins

From Spanish Andes, perhaps from Quechua andi (“high crest”)

In the Academy Smith's classical dictionaries

Quick answers

What does Andēs mean in Latin?
Andēs, a proper noun, means “Andes (a mountain range in South America)”.
What is the genitive of Andēs?
The genitive singular is Andium. Andēs is feminine, third declension.