effectus

Latin

Pronunciation

• (Classical Latin) IPA^(key): [ɛfˈfɛk.tʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [efˈfɛk.tus]

Etymology 1

Perfect passive participle of efficiō (“to make or work out; to accomplish; to effect”).

Participle

effectus (feminine effecta, neuter effectum); first/second-declension participle

1. made out, worked out, completed, finished, accomplished, made, having been worked out

   Synonyms: complētus, absolūtus, perfectus, factus, dēfūnctus

   Antonyms: incohatus, infectus, imperfectus

2. caused to occur, brought about, having been brought out
3. produced, yielded, having been produced
4. (philosophy) shown, proven, deduced, having been proven

Declension

First/second-declension adjective.

	singular				plural
	masculine	feminine	neuter		masculine	feminine	neuter
nominative	effectus	effecta	effectum		effectī	effectae	effecta
genitive	effectī	effectae	effectī		effectōrum	effectārum	effectōrum
dative	effectō	effectae	effectō		effectīs
accusative	effectum	effectam	effectum		effectōs	effectās	effecta
ablative	effectō	effectā	effectō		effectīs
vocative	effecte	effecta	effectum		effectī	effectae	effecta

Etymology 2

From efficiō +‎ -tus (forming action nouns).

Noun

effectus m (genitive effectūs); fourth declension

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

   Synonyms: successus, frūx, frūctus, ēventus, exitus, prōventus

Declension

Fourth-declension noun.

	singular	plural
nominative	effectus	effectūs
genitive	effectūs	effectuum
dative	effectuī	effectibus
accusative	effectum	effectūs
ablative	effectū	effectibus
vocative	effectus	effectūs

Descendants

• → Catalan: efecte
• Dalmatian: afet
• → Dutch: effect
  • → Indonesian: efek
• → English: effec
• Old French: effet, → Old French: effect (semi-learned)
  • French: effet
  • → Middle English: effect
    • English: effect
• Friulian: efiet
• Italian: effetto
• → Norwegian: effekt
• Piedmontese: efet
• → Portuguese: efeito (semi-learned)
• → Romanian: efect
• → Russian: эффект (effekt)
• Sardinian: efétu
• → Spanish: efecto
• → Swedish: effekt
• → Welsh: effaith

References

• “effectus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “effectus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "effectus", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “effectus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.