perfectperfect

Perfect comes from Middle English perfit, from Old French parfit, from Latin perfectus ‘finished’, participle of perficiō ‘to finish’ (per- + faciō ‘to do’).

1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁k-¹reconstructed
2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁kyéti¹reconstructed
3. Proto-Italicc. 1500–700 BCE*θakjō¹reconstructed
4. Proto-Italicc. 1500–700 BCE*fakjō¹‘to make’reconstructed
5. Latinc. 75 BCE–200 CEfaciō²as facere‘to do, to make’
6. Latinc. 75 BCE–200 CEperficiō²‘to finish’
7. Latinc. 75 BCE–200 CEperfectus²‘finished, complete’
8. Old Frenchc. 842–1400parfit²
9. Middle Englishc. 1150–1500perfit²
10. Englishearliest quotation c. 1596–1599perfect²

1. ¹ Wiktionary, Latin facio
2. ² Wiktionary, English perfect
3. Earliest quotation in Wiktionary’s entry: c. 1596–1599, William Shakespeare, The Second Part of Henry the Fourth, […]. Epilogue.: “Our Battaile is more full of Names then yours,…”.