LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Tartēssus

Tartēssus m sg (genitive Tartēssī)

Meaning

  1. An ancient city at the mouth of the Baetis

Declension

declension
formsingularplural
nominativeTartēssus—
genitiveTartēssī—
dativeTartēssō—
accusativeTartēssum—
ablativeTartēssō—
vocativeTartēsse—
locativeTartēssī—

Tartessus (Tartēsus), or -os, i, f.,
I. a very ancient maritime town of Spain, now El Rocadillo, near S. Roque, Mel. 2, 6, 9; Plin. 3, 1, 3, § 7; Sil. 3, 399; 5, 399.—Hence,
A. Tartessĭus (Tartēsĭus), a, um, adj., of or belonging to Tartessus, Tartessian: litora, Ov. M. 14, 416: stagna, Sil. 10, 538: muraena, Varr. ap. Gell. 7, 16, 5.— Poet. for Spanish: tellus, Sil. 13, 673; 15, 5. —Subst.: Tartessĭi, ōrum, plur., the inhabitants of Tartessus, Plin. 7, 48, 49, § 154.—
B. Tartessĭăcus (Tartēsĭăcus), a, um, adj., Tartessian: aequor, Sil. 6, 1: thyrsi, i. e. lettuce, Col. 10, 370.—Poet. for Spanish: harenae, Claud. in Ruf. 1, 101: Iberus, Sid. Carm. 5, 286.—
C. Tartessis (Tartēsis), ĭdis, adj. f., Tartessian: lactuca, Col. 10, 192.

Origins

From Ancient Greek Ταρτησσός (Tartēssós).

In the Academy Smith's classical dictionaries

Quick answers

What does Tartēssus mean in Latin?
Tartēssus, a proper noun, means “An ancient city at the mouth of the Baetis”.
What is the genitive of Tartēssus?
The genitive singular is Tartēssī. Tartēssus is masculine, second declension.