achever
to complete or finish offIl achève son roman avant l'été.
He completes his novel before summer.
formal
to complete or finish something
Il achève son roman avant l'été.
He completes his novel before summer.
literary
to finish off or kill
Le chasseur achève sa proie blessée.
The hunter finishes off his wounded prey.
Word Origin
From à plus chef, from Latin caput.
Dictionnaire Français-Anglais