One of the most important pieces of information that a glossary of idle terms can impart is this: The Latin word for "business" is negotium (as in "negotiate") - which means "not idling." Get it? Otium, or leisure, was once considered the true goal of life; and business was just what you did when you weren't idling. So how did "otiosity" come to mean "producing nothing of value?" See: IDLENESS, LEISURE.