downswing

The word 'downswing' is a modern compound formed from two native English elements. 'Down' originates from Old English, related to the concept of descending from a hill, and has consistently signified a lower position or direction. 'Swing' comes from the Old English verb meaning to move forcefully or to and fro. The compound logically combines these literal meanings—a swinging motion in a downward direction—first applied in a physical sporting context, such as golf. This concrete sense was later extended metaphorically to describe any declining trend, particularly in economics, where a downturn is visualized as a downward arc on a graph.

Structure: down (downward) + swing (movement) - down: From Old English dūne, short for of dūne ("from the hill"), related to the adverb/adjective 'down'. Its functional role is to indicate a downward direction. - swing: From Old English swingan ("to beat, fling oneself, rush"). Its functional role is to denote a sweeping or curving motion.