One of the mysteries of the English language finally explained.
Early 17th century; earliest use found in Ben Jonson (?1573–1637), poet and playwright. From post-classical Latin perspicacia insight, discernment (late 2nd or early 3rd cent. in Tertullian; frequently 1125–1620 in British sources) from classical Latin perspicāc-, perspicāx discerning + -ia; compare -acy.
In this article we explore how to impress employers with a spot-on CV.