Etymology and distribution of 井戸窪.

Idokubo 【井戸窪】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kagoshima-ken . Creation . In Kagoshima-ken , telling that Mr. Shimazu succeeded Mr. Izumi who broke off in 1417 (Norinaga 24 years) and added "now". 島津 Shimadzu reference. 和泉 Izumi reference. Kagoshima-ken Ibusuki-shi Iwamoto (Formerly Izumi) is a via point. A place name with a record since the Edo period.