LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Propertius

Propertius m sg (genitive Propertiī or Propertī)
Classical[prɔˈpɛr.ti.ʊs]Ecclesiastical[proˈpɛr.t͡si.us]

Meaning

  1. masculinesingularA Roman family name — famously held by
  2. masculinesingularSextus Propertius, a Roman poet

Declension

declension
formsingularplural
nominativePropertius—
genitivePropertiī
Propertī		—
dativePropertiō—
accusativePropertium—
ablativePropertiō—
vocativePropertī—

Prŏpertĭus, ii, m.,
I. a Roman surname. So, Sex. Aurelius Propertius, a celebrated elegiac poet, an older contemporary of Ovid, Ov. Tr. 4, 10, 53; Plin. Ep. 9, 22, 1; Quint. 10, 1, 93.—Gen. Properti, Ov. Tr. 2, 465 al.

Origins

Probably from Umbrian.

Quick answers

What does Propertius mean in Latin?
Propertius, a proper noun, means “A Roman family name — famously held by”.
What is the genitive of Propertius?
The genitive singular is Propertiī. Propertius is masculine, second declension.
How do you pronounce Propertius?
In classical Latin, [prɔˈpɛr.ti.ʊs]; in ecclesiastical (church) Latin, [proˈpɛr.t͡si.us].