One of the mysteries of the English language finally explained.
Probably: wrongdoing, misdeeds. In later use in allusion to Shakespeare's miching malicho and taken to be generally suggestive of dark deeds, mystery, or intrigue, and used in these senses.
Early 17th century; earliest use found in William Shakespeare (1564–1616), playwright and poet. From Spanish malhecho wrongful act from mal bad + hecho deed, use as noun of past participle of hacer to do from classical Latin facere.
In this article we explore how to impress employers with a spot-on CV.