曰く

Etymology 1
From.

The -nominalization of the classical verb, modern.

Noun

 * 1)  what a person or source says; according to
 * 2) * , kanbun kundoku
 * 3) a reason, story
 * 1) a reason, story
 * 1) a reason, story

Usage notes
Do not confuse the kanji with.

Etymology 2
The -nominalization of the classical verb, from ,   compound of.

Noun

 * 1)  ...says
 * 2) * 1596, Contemptus mundi

Etymology
The -nominalization of verb.

Noun

 * 1)  what a person or source says