late 14c., "person entrusted with secrets," from M.L. secretarius "clerk, notary, confidential officer, confidant," from L. secretum "a secret" (see secret). Meaning "person who keeps records, write letters, etc.," originally for a king, first recorded c.1400. As title of ministers presiding over executive departments of state, it is from 1590s. The word also is used in both French and English to mean "a private desk," sometimes in French form secretaire (1818).