Etymology and distribution of 井土本.

Idomoto 【井土本】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Gifu-ken Seki-shi . Gifu-ken Gifu-shi Origin of Iminmine. A place name with a record since the Edo period. The place name was also written as "Mt. Tell him that Mr. Imoutine lived in Muromachi era.