slow-motion

The compound "slow-motion" is a transparent modern English formation, combining the native Germanic adjective "slow" with the Latinate noun "motion." The word "slow" originates from the Old English 'slāw,' meaning mentally or physically sluggish, a sense which narrowed to primarily describe low speed. "Motion" entered English via Old French from the Latin 'mōtiō,' itself derived from the pervasive verb 'movēre' (to move), which traces back to the Proto-Indo-European root meue- (to push away). The compound's logic is entirely literal, describing "movement that is slow," a meaning directly applied in the 19th century to describe a technical cinematic effect where filmed action is reproduced at a deliberately reduced speed for analytical or dramatic emphasis.

Structure: slow (adjective) + motion (noun) - slow: From Old English 'slāw' (inactive, sluggish). Germanic origin. Functions as an adjective describing low speed. - motion: From Latin 'mōtiō' (a moving, motion), from the verb 'movēre' (to move). Functions as a noun denoting movement or action.