What does Syrius mean in Latin?

Syrius, a noun, means “Syrian (person)”.

What is the genitive of Syrius?

The genitive singular is Syriī. Syrius is masculine, second declension.

In classical Latin, [ˈsy.ri.ʊs]; in ecclesiastical (church) Latin, [ˈsiː.ri.us].

Ancient Greek Συρία (Suría) → Latin Syrius.

noun · masculinesecond declension

Syrius m sg (genitive Syriī or Syrī)

Classical[ˈsy.ri.ʊs]Ecclesiastical[ˈsiː.ri.us]

Proto-Indo-European *-yósder. Ancient Greek -ιος (-ios) Ancient Greek Σύριος (Súrios)bor. Latin Syrius Borrowed from Ancient Greek Σύριος (Súrios).

Descendants

adjectivefirst/second-declension adjective

Syrius²

Syrius (feminine Syria, neuter Syrium)

Classical[ˈsy.ri.ʊs]Ecclesiastical[ˈsiː.ri.us]

singular
form	masculine	feminine	neuter
nominative	Syrius	Syria	Syrium
genitive	Syriī	Syriae	Syriī
dative	Syriō	Syriae	Syriō
accusative	Syrium	Syriam	Syrium
ablative	Syriō	Syriā	Syriō
vocative	Syrie	Syria	Syrium

plural
form	masculine	feminine	neuter
nominative	Syriī	Syriae	Syria
genitive	Syriōrum	Syriārum	Syriōrum
dative	Syriīs	Syriīs	Syriīs
accusative	Syriōs	Syriās	Syria
ablative	Syriīs	Syriīs	Syriīs
vocative	Syriī	Syriae	Syria

alicui Syria (sorte) obvēnit, obtigit: the province of Syria has fallen to some one's lot.

Sȳrĭus, a, um, v. Syria, A.

Sȳrĭus, a, um, v. Syros.

Proto-Indo-European *-yósder. Ancient Greek -ιος (-ios) Ancient Greek Σύριος (Súrios)bor. Latin Syrius Borrowed from Ancient Greek Σύριος (Súrios).

What does Syrius mean in Latin?: Syrius, a noun, means “Syrian (person)”.
What is the genitive of Syrius?: The genitive singular is Syriī. Syrius is masculine, second declension.
How do you pronounce Syrius?: In classical Latin, [ˈsy.ri.ʊs]; in ecclesiastical (church) Latin, [ˈsiː.ri.us].
Where does Syrius come from?: Ancient Greek Συρία (Suría) → Latin Syrius.