One of the mysteries of the English language finally explained.
Either of two irises growing in streams, pools, and marshes: yellow flag, Iris pseudacorus, of Eurasia, and blue flag, I. versicolor, of North America.
Late 16th century; earliest use found in Henry Lyte (1529–1607), botanist and antiquary. From water + flag.
water flag/ˈwɔːtə ˌflaɡ/
In this article we explore how to impress employers with a spot-on CV.