LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Mustius

Mustius m sg (genitive Mustiī or Mustī)
Classical[ˈmʊs.ti.ʊs]Ecclesiastical[ˈmus.ti.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularMustius, a Roman eques

Declension

declension
formsingularplural
nominativeMustius—
genitiveMustiī
Mustī
—
dativeMustiō—
accusativeMustium—
ablativeMustiō—
vocativeMustī—

Origins

Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin Mustius From mustus (“fresh, young”) + -ius.

In the Academy Smith's classical dictionaries

Quick answers

What does Mustius mean in Latin?
Mustius, a proper noun, means “a Roman nomen gentile, gens or "family name" famously held by”.
What is the genitive of Mustius?
The genitive singular is Mustiī. Mustius is masculine, second declension.
How do you pronounce Mustius?
In classical Latin, [ˈmʊs.ti.ʊs]; in ecclesiastical (church) Latin, [ˈmus.ti.us].