LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Theodosius

Theodosius m sg (genitive Theodosiī or Theodosī)
Classical[tʰe.ɔˈdɔ.si.ʊs]Ecclesiastical[te.oˈdɔː.s̬i.us]

Meaning

  1. masculinesingulara male given name from Ancient Greek

Declension

declension
formsingularplural
nominativeTheodosius—
genitiveTheodosiī
Theodosī		—
dativeTheodosiō—
accusativeTheodosium—
ablativeTheodosiō—
vocativeTheodosī—

Origins

From Ancient Greek Θεοδόσιος (Theodósios, from θεός (theós, “god”) + δόσις (dósis, “a giving”), literally “given by God”). Compare Deōdatus, Matthaeus, Theodōrus, Iōnāthās and Nathanael.

In the Academy Smith's classical dictionaries

Biography & mythologyTheodosiusTheodosius. 2. Of Tripolis, a mathematician and astronomer of some distinction, was a philosopher of the sect of the Sceptics, or, to speak more exact…

Quick answers

What does Theodosius mean in Latin?
Theodosius, a proper noun, means “a male given name from Ancient Greek”.
What is the genitive of Theodosius?
The genitive singular is Theodosiī. Theodosius is masculine, second declension.
How do you pronounce Theodosius?
In classical Latin, [tʰe.ɔˈdɔ.si.ʊs]; in ecclesiastical (church) Latin, [te.oˈdɔː.s̬i.us].