Etymology and distribution of 古椎.

Koshii 【古椎】^{レベル3
About 70}  The Japanese surnames etymology dictionary.

Tokushima-ken , Hiroshima-ken , Okayama-ken .

① Tokushima-ken Mima-gun Tsurugi-chou Originated from Shinpei of Uchu 's small figure. Tradition on the same place.

② Personal name . From Hei Mihira of the warlords of the Heian period and the Kamakura period. Okayama-ken In Kume-gun Misaki-chou tell the descendant of the Heike's vassal who was defeated in the fight of Ichinotani in 1184 (8 years of juniors and 3 years of senba) at Hyougo-ken Koube-shi . 土肥 Doi reference.