Todoroki 【轟】5 The Japanese surnames etymology dictionary.
① Topography . From the land that follows the field. From the Nozomi gate of the gate division system that was in the Edo period. An example of the location of the gate. Kagoshima-ken Kanoya-shi Tazaki Town, Kagoshima-ken Kanoya-shi Genige- cho downstairs . Nagasaki - ken Hirado - shi The rock town of Iwanami was a clan sister of the Han, the Nara - ken Yamatokooriyama - shi Koizumi Town was in the Edo period in the Koizumi samurai of the clan 's office.
③ Kagoshima Prefecture Originated from Nozomi in the Shimochi Know-Cho in Shimizu City. On the same site there was the Nozomi gate gate division system in the Edo period.