large-scale

The compound adjective 'large-scale' is a modern formation that logically combines two established English words to create a specific, technical meaning. The first element, 'large', carries its core sense of great size or extent, a meaning it has held since its adoption from Old French. The second element, 'scale', originally referring to a bowl or shell, evolved to denote a series of graduated marks for measurement and, by extension, the relative size or scope of something. When fused, the term literally means "on a big measure," a transparent metaphor that efficiently conveys the concept of something extensive in scope, size, or degree, whether describing a map, a business operation, or a scientific study.

Structure: large (big) + scale (size/measure) - large: From Old French 'large' (broad, wide, generous), from Latin 'largus' (abundant, copious, bountiful). Functions as an adjective root describing size or extent. - scale: From Old Norse 'skál' (bowl, drinking cup), later influenced by Old French 'escale' (shell, husk, scale of a fish), from Germanic. In this compound, it functions as a noun meaning a standard of measurement or relative size.