One of the mysteries of the English language finally explained.
One of the Six Clerks of the Chancery, who (originally) accompanied the monarch or Chancellor when travelling, and was authorized to enter in the Rolls of Chancery those patents, commissions, and grants that passed the Great Seal.
Mid 16th century; earliest use found in George Cavendish (b. 1494), biographer and poet. From riding + clerk.
riding clerk/ˈrʌɪdɪŋ klɑːk/
In this article we explore how to impress employers with a spot-on CV.