This is the 5932nd most frequent Japanese word.
やむ
"やむ" means "to stop" or "to cease."
やむ is used as a verb meaning 'to stop' in reference to natural phenomena like rain.
雨がやむまで待ちましょう。
Let's wait until the rain stops.
やむ is used metaphorically to mean 'to cease or end,' applied to intangible states such as suffering.
彼の苦しみがやむことを願っています。
I hope his suffering will end.
やむ is used again as a verb meaning 'to stop,' this time referring to the cessation of wind.