やんだ

stopped, let up, died down

→ 止む
やん stop, let up, die down + だ past tense
verb · informal, past tense Rare #36,566
stopped, let up, died down Past form of 止む, used for something such as rain, wind, or noise coming to an end.
JA: 雨がやんだ。
EN: The rain stopped.
Conjugation of 止む
Indicative past
やんだ

それから風がやんだ。

Then the wind died down.

やんだわ

I'm sick of it.

— サイコ (1960)

嵐はやんだようだ。

It looks like the storm has passed.

早く やんだね

It stopped sooner than expected, didn’t it?

— サイコ (1960)

雨はやんだけど、風はまだ激しく吹いていた。

The rain had stopped, but the wind was still blowing fiercely.