godan verb (-mu), intransitive verb
Intransitive verb used for natural phenomena, sounds, or ongoing states coming to an end. Often used with 雨, 風, 音, 痛み, etc.
雨がやんだら出かけましょう。
Let's go out when the rain stops.
さっきまで聞こえていた音が急に
The sound I could hear until a moment ago suddenly stopped.