trzepotanie

Trzepotanie is a Polish noun meaning fluttering, flapping, or beating. It is derived from the verb trzepotać, which means to flap, flutter, or rattle. The word describes rapid, repeated movements that produce motion or sound, such as the beating of wings or the shaking of a light surface.

In biology, trzepotanie is used to refer to the wingbeat of birds and insects. The term emphasizes the rhythmic, rapid nature of wing movements and their perceptible audible component, which varies with species and wing morphology. It is commonly encountered in field guides, zoological descriptions, and nature writing.

Beyond biology, trzepotanie can describe non-living objects that buzz or flutter in the wind or due to mechanical design—the flutter of a flag, a draped fabric in a breeze, or the tremulous motion of a thin sheet.

In metaphorical or literary contexts, the word may denote nervous anticipation or agitation expressed as fluttering or rapid movement, though usage tends to be literal and descriptive. The term is standard Polish and is understood by speakers of Polish in both everyday and technical registers.