LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Lārissus

Lārissus m sg (genitive Lārissī)
Classical[ɫaːˈrɪs.sʊs]Ecclesiastical[laˈris.sus]

Meaning

  1. A river of Achaia forming the boundary with Elis

Declension

declension
formsingularplural
nominativeLārissus—
genitiveLārissī—
dativeLārissō—
accusativeLārissum—
ablativeLārissō—
vocativeLārisse—

Larissus (Larīsus), i, m.,
I. a river in Achaia, now Mana, Liv. 27, 31.

Origins

Borrowed from Ancient Greek Λάρισσος (Lárissos).

Quick answers

What does Lārissus mean in Latin?
Lārissus, a proper noun, means “A river of Achaia forming the boundary with Elis”.
What is the genitive of Lārissus?
The genitive singular is Lārissī. Lārissus is masculine, second declension.
How do you pronounce Lārissus?
In classical Latin, [ɫaːˈrɪs.sʊs]; in ecclesiastical (church) Latin, [laˈris.sus].