LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Thēseus1

Thēseus m sg (genitive Thēseī or Thēseos)
Classical[ˈtʰeː.sɛu̯s]Ecclesiastical[ˈtɛː.s̬eu̯s]

Meaning

  1. Theseus (a legendary Ancient Greek hero most famous for defeating the minotaur in the labyrinth of Crete)

Declension

declension
formsingularplural
nominativeThēseus—
genitiveThēseī
Thēseos
—
dativeThēseō—
accusativeThēseum
Thēsea
—
ablativeThēseō—
vocativeThēseu—

Thēseus (dissyl.), -ĕï;, and -ĕos, m., = Θησεύς,
I. a king of Athens, son of Ægeus (acc. to others, of Neptune) and Æthra; husband of Ariadne, and afterwards of Phædra; father of Hippolytus, by the Amazon Hippolyte; friend of Pirithoüs; conqueror of the highway-robbers Periphetes, Sinnis, etc., and of the Minotaur, Ov. M. 7, 433 sq.; id. H. 10, 3; Stat. Th. 12, 576; Cic. N. D. 3, 18, 45; 3, 31, 76; id. Fin. 1, 20, 65; Prop. 2, 14 (3, 6), 7; Ov. F. 6, 737; Verg. A. 6, 618; Hor. C. 4, 7, 27 al.—Hence,
A. Thēsēus, a, um, adj., of or belonging to Theseus, Thesean: carina, Prop. 1, 3, 1: laus, Ov. M. 8, 263: fides, id. Tr. 1, 3, 66: crimen, i. e. the desertion of Ariadne, id. F. 3, 460; id. A. A. 3, 459.—Transf., poet., for Athenian: via, Prop. 3 (4), 21, 24. Hymettus, Mart. 13, 104, 1: favi, id. 4, 13, 4.—
B. Thē-sēïus, a, um, adj., of or belonging to Theseus: heros, i. e. Hippolytus, Ov. M. 15, 492: dicta, Stat. Th. 12, 681: Troezen, ruled by the ancestors of Theseus, id. ib. 4, 81.—
C. Thēsīdes, ae, m., the offspring of Theseus, i. e. Hippolytus, Ov. H. 4, 65; Aus. Epigr. 20. — Transf., poet., for an Athenian, Verg. G. 2, 383.—
D. Thēsēis, ĭdis, f., the title of a poem concerning Theseus, Juv. 1, 2.

Origins

Borrowed from Ancient Greek Θησεύς (Thēseús).

In the Academy Smith's classical dictionaries

adjectivefirst/second-declension adjective
Thēsēus2
Thēsēus (feminine Thēsēa, neuter Thēsēum)
Classical[tʰeːˈseː.ʊs]Ecclesiastical[teˈs̬ɛː.us]

Meaning

  1. adjectiveThesean

Declension

singular
formmasculinefeminineneuter
nominativeThēsēusThēsēaThēsēum
genitiveThēsēīThēsēaeThēsēī
dativeThēsēōThēsēaeThēsēō
accusativeThēsēumThēsēamThēsēum
ablativeThēsēōThēsēāThēsēō
vocativeThēsēeThēsēaThēsēum
plural
formmasculinefeminineneuter
nominativeThēsēīThēsēaeThēsēa
genitiveThēsēōrumThēsēārumThēsēōrum
dativeThēsēīsThēsēīsThēsēīs
accusativeThēsēōsThēsēāsThēsēa
ablativeThēsēīsThēsēīsThēsēīs
vocativeThēsēīThēsēaeThēsēa

Origins

Borrowed from Ancient Greek Θήσειος (Thḗseios), from Θησεύς (Thēseús) + -ιος (-ios). By surface analysis, Thēseus + -ēus.

Descendants
  • EnglishThesean
  • Frenchthéséen

In the Academy Smith's classical dictionaries

Quick answers

What does Thēseus mean in Latin?
Thēseus, a proper noun, means “Theseus (a legendary Ancient Greek hero most famous for defeating the minotaur in the labyrinth of Crete)”.
What is the genitive of Thēseus?
The genitive singular is Thēseī. Thēseus is masculine, second declension.
How do you pronounce Thēseus?
In classical Latin, [ˈtʰeː.sɛu̯s]; in ecclesiastical (church) Latin, [ˈtɛː.s̬eu̯s].