Etymology and distribution of 砥平.

Tohira 【砥平】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hyougo-ken , Oosaka-fu , Yamaguchi-ken .

① Topography . From Hinoki and Hara.

② Korean type . 檜原 's variant. Oosaka-fu Oosaka-shi It came to the name in Minato-ku in 1980. The real name is yellow. 黄 Kou reference.

* Originated from Hinohara, near Nara-ken Sakurai-shi (formerly Shirogami-gun). Nara-ken Sakurai-shi The area near the Hibara Shrine of the Miwa is a comparative site. In Kyouto-fu Kyouto-shi there was a family name of Hibara no Yakushi in the Heian period.