LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Fergusius

Fergusius m sg (genitive Fergusiī or Fergusī)
Classical[fɛrˈɡʊ.si.ʊs]Ecclesiastical[ferˈɡuː.s̬i.us]

Meaning

  1. masculinesingulara male given name from Celtic, equivalent to English Fergus

Origins

Ultimately from Proto-Celtic *Wirogustus, with the addition of the suffix -ius.

Quick answers

What does Fergusius mean in Latin?
Fergusius, a proper noun, means “a male given name from Celtic, equivalent to English Fergus”.
What is the genitive of Fergusius?
The genitive singular is Fergusiī. Fergusius is masculine, second declension.
How do you pronounce Fergusius?
In classical Latin, [fɛrˈɡʊ.si.ʊs]; in ecclesiastical (church) Latin, [ferˈɡuː.s̬i.us].