LATIN DICTIONARYLexicon Latīnum
noun · masculinefourth declension

effectus

effectus m (genitive effectūs)
Classical[ɛfˈfɛk.tʊs]Ecclesiastical[efˈfɛk.tus]

Meaning

  1. masculinethe act of doing, making or effecting; execution, accomplishment, completion, performance
  2. masculinean effect, result, outcome, operation, tendency, purpose

In the readers how our graded readers gloss it

Declension

declension
formsingularplural
nominativeeffectuseffectūs
genitiveeffectūseffectuum
dativeeffectuīeffectibus
accusativeeffectumeffectūs
ablativeeffectūeffectibus
vocativeeffectuseffectūs

effectus, a, um, Part. and P. a., from efficio.
effectus, ūs, m. efficio,
I. a doing, effecting.
I. In gen., execution, accomplishment, performance: ad effectum consiliorum pervenire, Planc. ap. Cic. Fam. 10, 8, 4: operis, Liv. 21, 7: ad effectum aliquid adducere, id. 33, 33, 8; cf. spei, id. 21, 57; Prop. 3, 9, 27 (4, 8, 27 M.): ut peccatum est, patriam prodere, etc., quae sunt in effectu: sic timere, etc., peccatum est, etiam sine effectu, Cic. Fin. 3, 9, 32: effectum consilii morata tempestas est, Curt. 8, 13, 22; cf.: cum opera (sc. oppugnationis) in effectu erant, i. e. near completion, Liv. 31, 46, 14: haec verba, QVOD STATVERIT, cum effectu accipimus, non verbotenus, in effect, in fact, Dig. 2, 2, 1: cum effectu, Paul. ib. 40, 7, 1.—
II. In partic., with reference to the result of an action, an operation, effect, tendency, purpose: quarum (herbarum) vim et effectum videres, Cic. Div. 2, 20, 47: Q, cujus similis effectu specieque Koppa, Quint. 1, 4, 9; cf. Plin. 27, 13, 119, § 144: effectus eloquentiae est audientium approbatio, Cic. Tusc. 2, 1, 3; cf. Quint. 2, 17, 25; 2, 18, 2: ne sine ullo effectu aestas extraheretur, Liv. 32, 9 fin.; cf. id. 34, 26; 40, 22 fin.: cum plura argumenta ad unum effectum deducuntur, Quint. 9, 2, 103; 1, 4, 9: ut res haberet effectum, Vulg. Judic. 18, 5.—In the plur., Quint. 1, 10, 6.

Origins

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

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 *-tus Proto-Italic *-tus Latin -tus Latin effectus From efficiō + -tus (forming action nouns).

Descendants
  • Catalanefecte
  • Englisheffec
  • Frencheffetfrom Old French effet
  • Englisheffectfrom Old French effet
  • Italianeffetto
  • Portugueseefeito
  • Romanianefect
  • Sardinianefétu
  • Spanishefecto
  • Dalmatianafet

Quick answers

What does effectus mean in Latin?
effectus, a noun, means “the act of doing, making or effecting; execution, accomplishment, completion, performance; an effect, result, outcome, operation, tendency, purpose”.
What is the genitive of effectus?
The genitive singular is effectūs. effectus is masculine, fourth declension.
How do you pronounce effectus?
In classical Latin, [ɛfˈfɛk.tʊs]; in ecclesiastical (church) Latin, [efˈfɛk.tus].
Where does effectus come from?
Proto-Indo-European *h₁éǵʰ → Proto-Indo-European *h₁éǵʰs → Proto-Italic *eks → Latin effectus.