LATIN DICTIONARYLexicon Latīnum
suffixfirst/second-declension suffix

-uleius

-uleius (feminine -uleia, neuter -uleium)
Classical[ʊ.ɫɛj.jʊs]Ecclesiastical[u.le.jus]

Meaning

  1. morphemesuffixforms nomina gentilicia
    Auruncī → Aurunculeius
    Septimus → Septimuleius
  2. morphemesuffixforms pejorative adjectives and substantives from verbs and nouns

Origins

A compound of the diminutive suffix -ulus with the nomen-gentilicium–forming suffix -eius.

Quick answers

What does -uleius mean in Latin?
-uleius, a suffix, means “forms nomina gentilicia; forms pejorative adjectives and substantives from verbs and nouns”.
How do you pronounce -uleius?
In classical Latin, [ʊ.ɫɛj.jʊs]; in ecclesiastical (church) Latin, [u.le.jus].