LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Parthenius

Parthenius m sg (genitive Partheniī or Parthenī)
Classical[parˈtʰɛ.ni.ʊs]Ecclesiastical[parˈtɛː.ni.us]

Meaning

  1. masculinesingularThe most important river in the west of Paphlagonia, now the Bartın River

Declension

declension
formsingularplural
nominativeParthenius—
genitivePartheniī
Parthenī
—
dativePartheniō—
accusativeParthenium—
ablativePartheniō—
vocativeParthenī—

Parthĕnĭus, ĭi, m., = Παρθένιος.
I. A mountain in Arcadia, now Partheni, Liv. 34, 26; Mel. 2, 3, 5; Plin. 4, 6, 10, § 21.—
B. Adj.: Parthenii saltus, Verg. E. 10, 57; so, nemus, Ov. M. 9, 188; Stat. Th. 4, 285: valles, Ov. H. 9, 49: antra, Prop. 1, 1, 11.—
II. A river in Paphlagonia, now Bartan Tchai, Mel. 1, 19; Plin. 6, 2, 2, § 5; Val. Fl. 5, 104; Ov. P. 4, 10, 49.—
III. A Grecian erotic poet and grammarian, an instructor of Virgil, Suet. Tib. 70; Gell. 9, 9, 3; 13, 26, 1; Macr. S. 5, 17.—
IV. A silversmith, famous in the time of Juvenal, Juv. 12, 43.—
V. A male proper name, Mart. 9, 50, 3.—Hence, Parthĕnĭānus, a, um, adj.: toga, given by Parthenius, Mart. l. l:

Origins

Borrowed from Ancient Greek Παρθένιος (Parthénios).

In the Academy Smith's classical dictionaries

Quick answers

What does Parthenius mean in Latin?
Parthenius, a proper noun, means “The most important river in the west of Paphlagonia, now the Bartın River”.
What is the genitive of Parthenius?
The genitive singular is Partheniī. Parthenius is masculine, second declension.
How do you pronounce Parthenius?
In classical Latin, [parˈtʰɛ.ni.ʊs]; in ecclesiastical (church) Latin, [parˈtɛː.ni.us].