fleeting

the word 'fleeting' originates from the old english verb 'flēotan', which meant to float or swim, and by extension, to move swiftly across a surface or through a medium. this verb is of germanic origin, related to dutch 'vlieten' and german 'fliessen', meaning to flow. the present participle suffix '-ing' was added to form an adjective, literally describing something in the act of moving swiftly. over time, the concrete sense of physical motion evolved into the abstract metaphorical meaning of time passing quickly, capturing the essence of something transient or lasting only a brief moment.

Structure: fleet (to move swiftly) + ing (adjective-forming suffix) fleet (from old english 'flēotan', meaning to float, swim, move swiftly; of germanic origin) + ing (from old english '-ende', present participle suffix, forming adjectives from verbs)