Etymology and distribution of 一道.

Ichidou 【一道】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Aichi-ken .

① Aichi-ken Nagoya-shi Birth of Inagi-cho, Nishi-ku. Place name with a record since the North / South morning era.

② Mie-ken Suzuka-shi Origin of Inami. A place name with a record since the Edo period. The place name was also written as "Ina Mitomi." Tokushima-ken tells me that Mie-ken 's rice comes out. Pronunciation is inertia.