宿恨
also: しゅっこん
しゅ
く
こ
ん
Meanings
1
old grudge; long-standing resentment
Refers to a grudge or resentment that has been held for a long time, often from past events. Somewhat literary or formal in tone.
He plotted revenge to settle an old grudge.
There is a long-standing resentment between the two families.