Etymology and distribution of 古壕.

Kobori 【古壕】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Kagoshima-ken , Miyazaki-ken .

① Mutual belief in the name of male. It was in the Edo period in Kagoshima-ken Kagoshima-shi . It is distributed in Ehime-ken Matsuyama-shi . Shigusaku river flowing through Ehime-ken tells us that Adachi Shigenobu has carried out a river improvement in the Azuchi-Momoyama period and the Edo period. 足立 Adachi reference.

② Kagoshima-ken Ichikikushikino-shi Originated from Shimonobu of Osato's underwear. There was Shinginbun gate in the Edo era in the same place.

③ Creation . "Kenshi" was added to the weight of the surname of Kagoshima-ken 's Amami archipelago. Estimated at the time of returning to Japan in 1953. 重 Shige reference.