Etymology and distribution of 圓通.

Entsuu 【圓通】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Akita-ken .

Originated from Akita-ken Oga-shi . In the Kamakura period the name of the place called "Kojima". The place name was also written as "Kojima" and "Ogajima".

② things . Yamagata-ken Yamagata-shi Yoshihara from Shizuoka-ken Susono-shi From 1193 (4 years in age) Fuji wrestling with an oshk by harassing a stag, from Yoritomo who is a warrior of the Heian period · Kamakura period Tell him you gave it. There is also a story that in the same place originally resided in the land which became the watershed of the Shirakawa Dam of Yamagata-ken Nishiokitama-gun Iide-machi . In Yamagata-ken it's an orca.