ripple; ring on the water
repercussions
《music》Japanese slit drum; instrument made of iron with slits on top; makes a rippling sound
池に石を投げると波紋が広がっていく。
When you throw a stone into a pond, ripples spread out.
発言が政界に大きな波紋を広げた。
The statement sent ripples through the political world.
この事件は社会に波紋を投じた。
This incident sent ripples through society.