LATIN DICTIONARYLexicon Latīnum
proper nounsecond declension

Deī Fīlius

Deī Fīlius m sg (genitive Deī Fīliī or Deī Fīlī)
Classical[ˈde.iː ˈfiː.li.ʊs]Ecclesiastical[ˈdɛː.i ˈfiː.li.us]

Meaning

  1. Jesus Christ; the Son, considered one of the three persons of the Trinity by Trinitarians.

Declension

declension
formsingularplural
nominativeDeī Fīlius—
genitiveDeī Fīliī
Deī Fīlī		—
dativeDeī Fīliō—
accusativeDeī Fīlium—
ablativeDeī Fīliō—
vocativeDeī Fīlī—

Quick answers

What does Deī Fīlius mean in Latin?
Deī Fīlius, a proper noun, means “Jesus Christ; the Son, considered one of the three persons of the Trinity by Trinitarians.”.
What is the genitive of Deī Fīlius?
The genitive singular is Deī Fīliī. Deī Fīlius is second declension.
How do you pronounce Deī Fīlius?
In classical Latin, [ˈde.iː ˈfiː.li.ʊs]; in ecclesiastical (church) Latin, [ˈdɛː.i ˈfiː.li.us].