LATIN DICTIONARYLexicon Latīnum
adverb · masculine

cum mūla peperit

cum mūla peperit (not comparable)
Classical[ˈkũː ˈmuː.ɫa ˈpɛ.pɛ.rɪt]Ecclesiastical[ˈkum ˈmuː.la ˈpɛː.pe.rit]

Meaning

  1. idiomaticnot comparablewhen pigs fly, never

Origins

Literally "when a mule has given birth". This plays on the fact that mules, being hybrid animals, are usually infertile.

Quick answers

What does cum mūla peperit mean in Latin?
cum mūla peperit, a adverb, means “when pigs fly, never”.
How do you pronounce cum mūla peperit?
In classical Latin, [ˈkũː ˈmuː.ɫa ˈpɛ.pɛ.rɪt]; in ecclesiastical (church) Latin, [ˈkum ˈmuː.la ˈpɛː.pe.rit].