LATIN DICTIONARYLexicon Latīnum
verbfirst/second-declension participle

expertus1

expertus (feminine experta, neuter expertum)
Classical[ɛkˈspɛr.tʊs]Ecclesiastical[ekˈspɛr.tus]

Meaning

  1. participletested; having tested
  2. participleproved; having proven

Origins

Proto-Indo-European *-tós Proto-Italic *-tos Latin -tus Latin expertus Perfect active participle of experior (“test, attempt, experience”), but with passive meaning.

Descendants
  • Frenchexpert
  • Italianesperto
  • Portugueseexperto
  • Romanianexpert
  • Spanishexperto
  • Galicianexperto
  • Ladinespert
  • Piedmonteseespert
  • Russianэксперт
  • Sicilianspertu
adjectivefirst/second-declension adjective
expertus2
expertus (feminine experta, neuter expertum)
Classical[ɛkˈspɛr.tʊs]Ecclesiastical[ekˈspɛr.tus]

Meaning

  1. adjectiveexperienced; having experienced
    Experto credeTrust in one experienced

Declension

singular
formmasculinefeminineneuter
nominativeexpertusexpertaexpertum
genitiveexpertīexpertaeexpertī
dativeexpertōexpertaeexpertō
accusativeexpertumexpertamexpertum
ablativeexpertōexpertāexpertō
vocativeexperteexpertaexpertum
plural
formmasculinefeminineneuter
nominativeexpertīexpertaeexperta
genitiveexpertōrumexpertārumexpertōrum
dativeexpertīsexpertīsexpertīs
accusativeexpertōsexpertāsexperta
ablativeexpertīsexpertīsexpertīs
vocativeexpertīexpertaeexperta

expertus, a, um, Part. and P. a., from experior.

Origins

Proto-Indo-European *-tós Proto-Italic *-tos Latin -tus Latin expertus Perfect active participle of experior (“test, attempt, experience”), but with passive meaning.

Quick answers

What does expertus mean in Latin?
expertus, a verb, means “tested; having tested; proved”.
What are the principal parts of expertus?
expertus, experta, expertum (first/second-declension participle).
How do you pronounce expertus?
In classical Latin, [ɛkˈspɛr.tʊs]; in ecclesiastical (church) Latin, [ekˈspɛr.tus].