Idomura 【井戸村】2 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 reference. 和泉 reference. Kagoshima-ken Ibusuki-shi Iwamoto (Formerly Izumi) is a via point. A place name with a record since the Edo period.