LATIN DICTIONARYLexicon Latīnum
suffixfirst/second-declension suffix

-culus

-culus (feminine -cula, neuter -culum)
Classical[kʊ.ɫʊs]Ecclesiastical[ku.lus]

Meaning

  1. morphemesuffixadded to a noun to form a diminutive of that noun.
  2. morphemesuffixadded to an adjective to form a diminutive of that adjective.

Origins

Rebracketing of diminutive suffix -ulus on nouns ending in -cus, used freely. However, Oscan zicolom (“day”, acc. sg.), from Proto-Italic *djēkelos, indicates that this suffix may be old and reconstructible to Proto-Italic *-kelos.

Descendants
  • Portuguese-elho
  • Spanish-ejo
  • Spanish-ijo

Quick answers

What does -culus mean in Latin?
-culus, a suffix, means “added to a noun to form a diminutive of that noun.; added to an adjective to form a diminutive of that adjective.”.
How do you pronounce -culus?
In classical Latin, [kʊ.ɫʊs]; in ecclesiastical (church) Latin, [ku.lus].