LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Atreus

Atreus m sg (genitive Atreī)
Classical[ˈa.trɛu̯s]Ecclesiastical[ˈaː.treu̯s]

Meaning

  1. GreekmasculinesingularAtreus (a mythological king of Mycenae and son of Pelops and Hippodamia)

Declension

declension
formsingularplural
nominativeAtreus—
genitiveAtreī—
dativeAtreō—
accusativeAtreum—
ablativeAtreō—
vocativeAtree—

Ā^treus (dissyl.; cf. Quint. 1, 5, 24), ei, m., = Ἀτρεύς.
I. A son of Pelops (hence, Pelopeïus, Ov. H. 8, 27) and Hippodamia, brother of Thyestes, father of Agamemnon and Menelaus, king of Argos and Mycenœ, Ov. M. 15, 855.—Atrea (acc.), Ov. Am. 3, 12, 39.—Atreu (voc.), Sen. Thyest. 486; 513.—
II. Derivv.
A. ā^trēĭus or ā^trēus, a, um, adj., of or belonging to Atreus, poet. for Argive, Stat. Th. 8, 743; cf. Pompei. Gram. p. 113 Lind.—
B. ā^trīdes (Atridă in nom., Prop. 2, 14, 1), ae, m., a male descendant of Atreus; Atrides, absol. usu. for Agamemnon; in plur.: Atridae, the Atrides, i. e. Agamemnon and Menelaus, Plaut. Bacch. 4, 9, 1: non minor Atrides, non bello major et aevo, i. e. not Menelaus, not Agamemnon, Ov. M. 12, 623; cf. id. ib. 13, 359; 15, 162.—In dat. and abl. plur.: Atridis, Hor. S. 2, 3, 203; Ov. P. 1, 7, 32.—In acc. plur.: Atridas superbos, Hor. C. 1, 10, 13.—In sing.,
(a). For Agamemnon, Prop. 4, 6, 23; Hor. C. 2, 4, 7; id. Ep. 1, 2, 12; id. S. 2, 3, 187; Ov. M. 13, 189; 13, 230; 13, 365; 13, 439; 13, 655 et saep.—
(b). For Menelaus, Hor. Ep. 1, 7, 43; Ov. M. 15, 805.—Sarcastically: Atrides, of Domitian, as a haughty ruler of Rome, Juv. 4, 65.

Origins

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greek ἀ-(a-)
  5. Proto-Indo-European*tres-
  6. Proto-Indo-European*tréseti
  7. Proto-Hellenic*tréhō
  8. Ancient Greek τρέω(tréō)
  9. LatinAtreus

Ancient Greek Ἀτρεύς (Atreús)bor. Latin Atreus Borrowed from Ancient Greek Ἀτρεύς (Atreús).

In the Academy Smith's classical dictionaries

Biography & mythologyAtreusAtreus (Ἀτρεύς), a son of Pelops and Hippodameia, a grandson of Tantalus, and a brother of Thyestes and Nicippe. [PELOPS.] He was first married to Cle…

Quick answers

What does Atreus mean in Latin?
Atreus, a proper noun, means “Atreus (a mythological king of Mycenae and son of Pelops and Hippodamia)”.
What is the genitive of Atreus?
The genitive singular is Atreī. Atreus is masculine, second declension.
How do you pronounce Atreus?
In classical Latin, [ˈa.trɛu̯s]; in ecclesiastical (church) Latin, [ˈaː.treu̯s].
Where does Atreus come from?
Proto-Indo-European *né → Proto-Indo-European *n̥- → Proto-Hellenic *ə- → Ancient Greek ἀ- (a-) → Proto-Indo-European *tres- → Proto-Indo-European *tréseti → Proto-Hellenic *tréhō → Ancient Greek τρέω (tréō) → Latin Atreus.