Etymology and distribution of 空戸.

Kuudo 【空戸】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Nagano-ken , Toukyou-to , Hokkaidou .

① Nagano-ken Suzaka-shi day falls based.

Originated from the Hokuriku region (formerly Yue Kuni). In the Asuka period there is a place name recorded with the notation "Takashi". There was a family name of Echizen in Asuka period.

※ Toyama-ken Toyama-shi There was a case called "Yoshi" from the shop name of Echizenya (Echizenya) in the Edo period in Higashi-cho, Yao-machi. Echizen is a place name with a record since the Asuka period.

② Abstract . Tsukagoshi's shorthand. Ibaraki-ken Chikusei-shi Tell him that Tsukagoe surname was in Ogawa. It was in the Edo period in the same place. 塚越 Tsukagoshi reference.

③ Convention . Abbreviation for Ochi (Oshi). Toukyou-to Kita-ku Toshima tells that the descendant of Ms. Kono had the head family name Ochi surname. Estimated in the Edo period. 河野 Kouno reference. 越智 Ochi reference.

④ Convention . Abbreviation for waist volume (Kosimaki). Niigata-ken Tookamachi-shi At Niizo Ken , Niigata Family Court Shibata branch changed the name using "Yoshi" on the waist abbreviated to the waist roll by permitting the rename from the waist volume last name in April 1948. 腰巻 Koshimaki reference.

Sorato 【空戸】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

東谷 Higashitani reference.