indicate the level to which a name has been verified.
Meaning & History
From Japanese 口 (kuchi) meaning "mouth". It is a reference to an event in the Northern and Southern Courts Period, of 3 sons of Takase who became heroes for the south. The emperor of Japan awarded each of the sons a new surname; Oku 3 for the eldest son, Naka 2 for the middle son, and Kuchi for the youngest son.