One of the mysteries of the English language finally explained.
That can be made, done, or put into action; practicable, feasible.
Mid 16th century (in an earlier sense). Originally (i) from post-classical Latin factibilis that can be made or done, feasible from classical Latin fact-, past participial stem of facere to make, do + -ibilis.
In this article we explore how to impress employers with a spot-on CV.