旧きゅう怨えんきゅうえんMeanings1nounold grudge; ancient enmityLiterary or formal term for a long-held resentment or feud, often from the distant past. Not used in casual conversation.両りょう家けの間あいだには旧きゅう怨えんがあると言いわれている。It is said that there is an old grudge between the two families.