Etymology and distribution of 井場木.

Ibaki 【井場木】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Ishikawa-ken Wajima-shi , Kagoshima-ken Amami-shi .

① Topography . Ishikawa-ken Wajima-shi It tells from the rocky land of Kakurajima in the sea town.

② Creation . "Many" was added to the rock which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 岩 Iwa reference.