Etymology and distribution of 五桝本.

Goshoumoto 【五桝本】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Shimane-ken Goutsu-shi , Oosaka-fu , Okayama-ken . Terrain . From the forest. In Shimane-ken Goutsu-shi telling that it was described as "deer". It is unknown whether Deer will exist. There is also a tradition that the pronunciation of Shimamori, Shimaburi in the same place was also pronounced and "Shimomori" was also written. Estimated in the Edo period. 島森 Shimamori reference.