LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

effectīvus

effectīvus (feminine effectīva, neuter effectīvum)
Classical[ɛf.fɛkˈtiː.wʊs]Ecclesiastical[ef.fekˈtiː.vus]

Meaning

  1. adjectivecreative
  2. adjectiveproductive, effective

Declension

singular
formmasculinefeminineneuter
nominativeeffectīvuseffectīvaeffectīvum
genitiveeffectīvīeffectīvaeeffectīvī
dativeeffectīvōeffectīvaeeffectīvō
accusativeeffectīvumeffectīvameffectīvum
ablativeeffectīvōeffectīvāeffectīvō
vocativeeffectīveeffectīvaeffectīvum
plural
formmasculinefeminineneuter
nominativeeffectīvīeffectīvaeeffectīva
genitiveeffectīvōrumeffectīvārumeffectīvōrum
dativeeffectīvīseffectīvīseffectīvīs
accusativeeffectīvōseffectīvāseffectīva
ablativeeffectīvīseffectīvīseffectīvīs
vocativeeffectīvīeffectīvaeeffectīva

effectīvus, a, um, adj. id.,
I. effective, productive: causa, velut pater filii, Boëth. in Porphyr. 2, p. 58 al.—Esp. as, subst.: effectīva, ae, f. (sc. ars), practical art, productive art: sed effectivae quoque aliquid simile scriptis orationibus consequetur, Quint. 2, 18, 5.

Origins

  1. Proto-Indo-European*h₁éǵʰ
  2. Proto-Indo-European*h₁éǵʰs
  3. Proto-Italic*eks
  4. Latineffectīvus

Latin ex- Proto-Indo-European *dʰeh₁- Proto-Indo-European *dʰeh₁k- Proto-Indo-European *-yéti Proto-Indo-European *dʰh₁kyéti Proto-Italic *θakjō Proto-Italic *fakjō Latin faciō Latin efficiō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus Latin effectīvus From efficiō (“to produce”) + -īvus.

Descendants
  • Catalanefectiu
  • Germaneffektiv
  • Englisheffective
  • Frencheffectif
  • Italianeffettivo
  • Portugueseefetivo
  • Romanianefectiv
  • Spanishefectivo
  • Dutcheffectief
  • Galicianefectivo

Quick answers

What does effectīvus mean in Latin?
effectīvus, a adjective, means “creative; productive, effective”.
How do you pronounce effectīvus?
In classical Latin, [ɛf.fɛkˈtiː.wʊs]; in ecclesiastical (church) Latin, [ef.fekˈtiː.vus].
Where does effectīvus come from?
Proto-Indo-European *h₁éǵʰ → Proto-Indo-European *h₁éǵʰs → Proto-Italic *eks → Latin effectīvus.