騒 means “make noise, clamor, uproar”

さわぐ · sawagu

Also: boisterous, disturb

Kun'yomi (Japanese reading)
さわぐ, うれい, さわがしい
On'yomi (Chinese reading)
ソウ

JLPT N1 · Taught in secondary school · 18 strokes

The story

A horse (馬) beside a flea (蚤, a hand 又 over a bug 虫): picture a horse bucking and stamping because something is biting it. 騒ぐ is to make a racket, 騒音 is noise, and 騒動 is a commotion big enough to make the news.

Used in 騒ぐ (sawagu, to make noise/fuss), 騒音 (souon, noise), and 騒動 (soudou, uproar/commotion)

More from Rest & Unrest

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.