LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

Hesperius

Hesperius (feminine Hesperia, neuter Hesperium)
Classical[hɛsˈpɛ.ri.ʊs]Ecclesiastical[esˈpɛː.ri.us]

Meaning

  1. adjectivewestern, occidental
    Hesperium regnum.The western empire.
  2. adjectiveItalian
  3. adjectivepertaining to Hesperus

Declension

singular
formmasculinefeminineneuter
nominativeHesperiusHesperiaHesperium
genitiveHesperiīHesperiaeHesperiī
dativeHesperiōHesperiaeHesperiō
accusativeHesperiumHesperiamHesperium
ablativeHesperiōHesperiāHesperiō
vocativeHesperieHesperiaHesperium
plural
formmasculinefeminineneuter
nominativeHesperiīHesperiaeHesperia
genitiveHesperiōrumHesperiārumHesperiōrum
dativeHesperiīsHesperiīsHesperiīs
accusativeHesperiōsHesperiāsHesperia
ablativeHesperiīsHesperiīsHesperiīs
vocativeHesperiīHesperiaeHesperia

Hespĕrĭus, a, um, v. Hesperus, II. A.

Origins

Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin Hesperius From Hesperus (“the evening star”) + -ius (adjective forming suffix).

In the Academy Smith's classical dictionaries

Quick answers

What does Hesperius mean in Latin?
Hesperius, a adjective, means “western, occidental; Italian; pertaining to Hesperus”.
How do you pronounce Hesperius?
In classical Latin, [hɛsˈpɛ.ri.ʊs]; in ecclesiastical (church) Latin, [esˈpɛː.ri.us].