wave
Meaning
to move your hand or arm from side to side in the air, usually as a greeting or signal
to move freely up and down or from side to side, or to make something move in this way
a raised line of water that moves across the surface of the sea or a lake
a sudden increase in a particular activity or feeling
Usage
She waved goodbye as the train pulled out of the station.
The flags waved gently in the summer breeze.
A huge wave crashed against the seawall.
Etymology
The word 'wave' originates from the Old English 'wafian', meaning 'to wave with the hands'. This term is rooted in the Proto-Germanic 'wab-' or 'wabjan', which carried the sense of moving to and fro. This ancient root is connected to the Proto-Indo-European base 'webh-', meaning 'to weave' or 'to move quickly', conceptually linking the oscillating motion of weaving to that of waving or undulating. Over centuries, the meaning expanded from the specific action of moving the hands to encompass any similar back-and-forth or undulating motion, such as that of water or sound.
Analysis
The word 'wave' is a simplex word of Old English origin. It functions as a complete, indivisible root.