曰く
Meanings
1
Refers to the background, circumstances, or story behind something, often with a nuance of complication or hidden details. Common in phrases like 曰く付き (with a story/background) or 曰く因縁 (complicated history).
This house seems to have a story behind it.
He bought an item with a history at a low price.
2
according to ...; ... says
Used to quote or report what someone said, often in formal or literary contexts. Functions like 'so-and-so says' or 'according to so-and-so'. Typically follows a name or source.
According to the teacher, this problem will appear on the exam.
He says it's a misunderstanding.
Usage patterns
- 〈人〉曰くaccording to <person>; <person> says
According to the doctor, he's already fine.
- 〈物〉に曰くがあるthere is a hidden story or complicated history behind <thing>
It seems there's some story behind this vase.