Etymology and distribution of 戸山.

Toyama 【戸山】^{レベル4
About 1,400}  The Japanese surnames etymology dictionary.

Aichi-ken , Gifu-ken , Oosaka-fu .

① Gifu-ken Seki-shi Origin of Hidenase. In the Kamakura period there was a place name recorded with "Funmei" notation. Last name also called "Hidase", "Fizzyase". It is unknown whether Hidase and Mizose exist. Gifu - ken Toki - shi Hida - cho Mieda is a stopover. A place name with a record since the Edo period. Tell the place name from Mr. Hida's name.

② Shizuoka-ken Tagata-gun Kan'nami-chou Origin of Hida (Hita). A place name with a record since the Heian period. The place name was also written as "Hita".

③ Convention . Synthesis of Doi and Tada. In Hyougo-ken Katou-shi company Hyougo-ken Katou-shi was a warrior of the Heian era and Kamakura period who was injured in the battle of Mt. Sampakyama who was in 1184 (8 years of juniors and 3 years of senba) Takada's child descended from "fertilizer" of soil fertilizer and "rice field" of Tada. 土肥 Doi reference. 多田 Tada reference.