LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Neptūnus

Neptūnus m (genitive Neptūnī)
Classical[nɛpˈtuː.nʊs]Ecclesiastical[nepˈtuː.nus]

Meaning

  1. RomanNeptune (god of the sea)
  2. New LatinNeptune (planet)

Declension

declension
formsingularplural
nominativeNeptūnus—
genitiveNeptūnīNeptūnōrum
dativeNeptūnōNeptūnīs
accusativeNeptūnumNeptūnōs
ablativeNeptūnōNeptūnīs
vocativeNeptūne—

Neptūnus, i, m. Zend, nāpita, wet; Sanscr. nepa, water; Gr. root, νιπ-, νιβ-, νίφω, χέρνιψ; cf. nimbus, rain-cloud,
I. Neptune, the god of the sea and of other waters, brother of Jupiter and husband of Amphitrite: Neptuno gratis habeo et tempestatibus, Plaut. Stich. 3, 1, 2: allocutus summi deum regis fratrem Neptunum, regnatorem Marum, Naev. 3, 2; 2, 21: omnipotens Neptune, Turp. ap. Cic. Tusc. 4, 34, 72 (Com. Rel. v. 118 Rib.): Neptunus salsipotens et multipotens, Plaut. Trin. 4, 1, 1: ut Portumnus a portu, sic Neptunus a nando, paulum primis litteris immutatis, Cic. N. D. 2, 26, 66; 3, 24, 62: Neptunum deum numeras, id. ib. 3, 17, 43; 3, 20, 52: caeruleos oculos esse Neptuni, id. ib. 1, 30, 83; Verg. A. 3, 74: uterque, who presides over the salt and fresh waters, Cat. 31, 3: Neptunus pater, Gell. 5, 12, 5: haec ad Neptuni pecudes condimenta sunt, food for fishes, Plaut. Ps. 3, 2, 44.—
II. Transf.
A. The sea (poet.): credere se Neptuno, Plaut. Rud. 2, 6, 2; 2, 3, 42: Neptuni corpus acerbum, Lucr. 2, 472; Verg. G. 4, 29: hibernus, Hor. Epod. 17, 55.—*
B. A fish, Naev. ap. Paul. ex Fest. p. 58 Müll. (Com. Rel. v. 121 Rib.).

Origins

  1. Proto-Indo-European*nebʰ-
  2. LatinNeptūnus

Proto-Indo-European *nébʰosder. Proto-Italic *neptūnos Latin Neptunus Probably from Proto-Italic *neptūnos, from Proto-Indo-European *nébʰos (“cloud, moisture, mist”), but this is disputed; see Neptune.

Descendants
  • Frenchlutinfrom Old French netun
  • Frenchnutonfrom Old French netun
  • Frenchluitonfrom Old French netun
  • CatalanNeptú
  • FrenchNeptune
  • ItalianNettuno
  • PortugueseNeptuno
  • RomanianNeptun
  • SpanishNeptuno
  • Walloonnûtonfrom Old French netun

In English words that came into English from Neptūnus

  • NeptuneNeptūnus

In the Academy Smith's classical dictionaries

Biography & mythologyNeptunusNeptunus. the chief marine divinity of the Romans. His name is probably connected with the verb ναίω or nato, and a contraction of navitunus. As the e…

Quick answers

What does Neptūnus mean in Latin?
Neptūnus, a proper noun, means “Neptune (god of the sea); Neptune (planet)”.
What is the genitive of Neptūnus?
The genitive singular is Neptūnī. Neptūnus is masculine, second declension.
How do you pronounce Neptūnus?
In classical Latin, [nɛpˈtuː.nʊs]; in ecclesiastical (church) Latin, [nepˈtuː.nus].
Where does Neptūnus come from?
Proto-Indo-European *nebʰ- → Latin Neptūnus.