godan verb (-mu), transitive verb
Used for grieving over a death or loss, often with a sense of deep personal sorrow.
彼は友人の死を悔やんだ。
He mourned his friend's death.
godan verb (-mu), transitive verb
Expresses regret over one's own actions or a situation; often used with ～を悔やむ or ～て悔やむ.
若い頃の過ちを悔やんでいる。
I regret the mistakes of my youth.
言わなければよかったと悔やんだ。
I regretted having said it.