English
imperfect
Imperfect comes from Latin imperfectus, from perficiō ‘to finish, complete’, and ultimately from Proto-Indo-European *dʰeh₁k-.
- Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁k-reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*dʰh₁kyétireconstructed
- Proto-Italicc. 1500–700 BCE*θakjōreconstructed
- Proto-Italic, derivedc. 1500–700 BCE*fakjō‘to make’reconstructed
- Latinc. 75 BCE–200 CEfaciō‘to make, construct, fashion, frame, build, erect’
- Latin, derivedc. 75 BCE–200 CEperficiō‘to finish, complete’
- Latin, derivedc. 75 BCE–200 CEperfectus
- Latin, derivedc. 75 BCE–200 CEimperfectus
- Old Frenchc. 842–1400imparfit
- Middle Englishc. 1150–1500imperfit
- Englishearliest quotation c. 1603–1606imperfect
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁k-reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*dʰh₁kyétireconstructed
- Proto-Italicc. 1500–700 BCE*θakjōreconstructed
- Proto-Italic, derivedc. 1500–700 BCE*fakjō‘to make’reconstructed
- Latinc. 75 BCE–200 CEfaciō‘to make, construct, fashion, frame, build, erect’
- Latin, derivedc. 75 BCE–200 CEperficiō‘to finish, complete’
- Latin, derivedc. 75 BCE–200 CEperfectus
- Latin, derivedc. 75 BCE–200 CEimperfectus
- Old Frenchc. 842–1400imparfit
- Middle Englishc. 1150–1500imperfit
- Englishearliest quotation c. 1603–1606imperfect
Earliest quotation: c. 1603–1606, William Shakespeare, The Tragedie of King Lear: “Why, then, your other senses grow imperfect.”
Proto-Indo-European *dʰeh₁k-
…
Latin perficiō ‘to finish’
Latin perfectus ‘finished, complete’
Old French parfit
Middle English perfit
English perfect
The story
Spelling modified 15c. to conform Latin etymology.
Linked words
through Proto-Italic *θakjō
effectively, effectiveness, ineffective, affectionate, putrefaction, 65 more
through Proto-Italic *fakjō ‘to make’
factor, effective, difficulty, manufacture, interface, faction, affection, facet, affective, defection, deface, defector, effector, affectation, confectionary, 70 more
through Latin faciō ‘to make, construct, fashion, frame, build, erect’
face, fact, difficult, profit, feature, facility, effect, efficient, faculty, affair, sacrifice, facial, deficit, affect, facilitate, infection, feat, efficacy, facade, fetish, deficient, superficial, defect, counterfeit, façade, facsimile, infect, hacienda, maleficent, aficionado, efficacious, beautify, facies, difficile, parfait, confit, beneficent, confection, refectory, 85 more
through Latin perficiō ‘to finish, complete’
through Latin perfectus
Today it means
adj Not perfect.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *dʰeh₁k- / imperfect