LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Tīfernus

Tīfernus m sg (genitive Tīfernī)
Classical[tiːˈfɛr.nʊs]Ecclesiastical[tiˈfɛr.nus]

Meaning

  1. a mountain in Samnium, upon which was the town of Tifernum, now Monte Matese
  2. One of the most considerable rivers of Samnium, now called Biferno

Declension

declension
formsingularplural
nominativeTīfernus—
genitiveTīfernī—
dativeTīfernō—
accusativeTīfernum—
ablativeTīfernō—
vocativeTīferne—

Tĭfernus, i, m.
I. A mountain in Samnium, upon which was the town of Tifernum, now Monte Matese, Liv. 10, 30, 7. —
II. A river flowing by it, now Biferno, Mel. 2, 4, 6; Plin. 3, 11, 16, § 103.

Origins

Borrowed through Oscan from Proto-Italic *tiβes-no- (“marsh, river”), possibly from Proto-Indo-European *teh₂- (“to flow, to melt”). However, compare Oscan 𐌕𐌉𐌚𐌀 (tifa, “hill”), related to Latin teba (“hill”).

In the Academy Smith's classical dictionaries

GeographyTifernusTifernus (Φίτερνος, Ptol.: Biferno), one of the most considerable rivers of Samnium, which has its sources in the heart of that country, near Bovianum…

Quick answers

What does Tīfernus mean in Latin?
Tīfernus, a proper noun, means “a mountain in Samnium, upon which was the town of Tifernum, now Monte Matese; One of the most considerable rivers of Samnium, now called Biferno”.
What is the genitive of Tīfernus?
The genitive singular is Tīfernī. Tīfernus is masculine, second declension.
How do you pronounce Tīfernus?
In classical Latin, [tiːˈfɛr.nʊs]; in ecclesiastical (church) Latin, [tiˈfɛr.nus].