flutter
UK[ˈflʌtə]US[ˈflʌtər]
v
To make a series of quick, delicate movements up and down or from side to side.
v
(of a bird or insect) to fly by moving the wings quickly and lightly.
n
A state of nervous excitement or confusion.
n
A series of quick, light movements.
Etymology
The word 'flutter' originates from Old English floterian, flotorian, meaning 'to float to and fro, be tossed by waves, totter.' It is part of a family of Germanic words beginning with fl- that often connote loose, rapid, or unsteady motion, such as 'flicker,' 'flit,' and 'flap.' This root is likely imitative, echoing the sound or visual impression of light, rapid movement. Over centuries, its meaning specialized from general wavering motion to the quick, vibrating movement of wings or light objects, and metaphorically extended to describe a state of agitated excitement.
Analysis
The word 'flutter' is a simplex word of Old English origin, likely onomatopoeic or imitative in nature. It is not productively formed from separable, meaningful morphemes in modern English.
Examples
The flag fluttered in the gentle breeze.
A butterfly fluttered past the window.
The news sent her heart into a flutter of anticipation.