A contraction of certiōrem facere ("to search", literally "to make more certain").
- (Classical Latin) IPA(key): /ker.tiˈoː.roː/, [kɛrt̪iˈoːroː]
- (modern Italianate Ecclesiastical) IPA(key): /t͡ʃer.t͡siˈo.ro/, [t͡ʃert̪͡s̪iˈɔːro]
certiōrō (present infinitive certiōrāre, perfect active certiōrāvī, supine certiōrātum); first conjugation
- → English: certiorari