Etymology and distribution of 天本.

Amamoto 【天本】^{レベル5
About 3,000}  The Japanese surnames etymology dictionary.

Ooita-ken Kunisaki-shi , Hiroshima-ken , Fukui-ken .

① Men's name has been determined. Ooita - ken Kunisaki - shi Kaminomi - cho Iumi, Hiroshima - ken Fukuyama - shi Distributed in Shinchicho, Osamu Todo.

② Creation . Miyazaki-ken Ebino-shi From the fixed gate of the gate division system in Saigo in the Edo period. The gate name comes from the favorable "yes".

Tenmoto 【天本】^{レベル5
About 3,000}  The Japanese surnames etymology dictionary.

Gifu-ken Yourou-gun Yourou-chou . Gifu-ken Yourou-gun Yourou-chou Originated from the elephant mountain (Zoubizan) of Hashizume. From the "nose" of Honoyosan and the "bridge" of Hashizume. Hashizume is a place name with a record since the Edo period. The Meiji new family name by the monk of Jodoji temple of Jodo Shinshu located in the same place.