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LATIN · A WORD WITH POSSIBILITIES

effectus.

execution, performance; effect;

8 characters3 syllables approx.Latina language

Meaning & usage

noun[ɛfˈfɛk.tʊs]Classical-Latin[efˈfɛk.tus]
  1. the act of doing, making or effecting; execution, accomplishment, completion, performance

    declension-4 · masculine
  2. an effect, result, outcome, operation, tendency, purpose

    declension-4 · masculine
Where this word comes from

Etymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Italic *eks Latin ex 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).

verb[ɛfˈfɛk.tʊs]Classical-Latin[efˈfɛk.tus]
  1. made out, worked out, completed, finished, accomplished, made, having been worked out

    declension-1 · declension-2 · form-of · participle · passive · perfect
  2. caused to occur, brought about, having been brought out

    declension-1 · declension-2 · form-of · participle · passive · perfect
  3. produced, yielded, having been produced

    declension-1 · declension-2 · form-of · participle · passive · perfect
  4. shown, proven, deduced, having been proven

    declension-1 · declension-2 · form-of · participle · passive · perfect
Where this word comes from

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

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.