LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Alfius

Alfius m sg (genitive Alfiī or Alfī)
Classical[ˈaɫ.fi.ʊs]Ecclesiastical[ˈal.fi.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularAlphius Avitus, a Roman poet

Declension

declension
formsingularplural
nominativeAlfius—
genitiveAlfiī
Alfī		—
dativeAlfiō—
accusativeAlfium—
ablativeAlfiō—
vocativeAlfī—

Origins

Probably from Umbrian 𐌀𐌋𐌚𐌖 (alfu). Compare Albius.

Quick answers

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