Etymology and distribution of 河底.

Kawasoko 【河底】^{レベル3
About 90}  The Japanese surnames etymology dictionary.

Nara-ken , Ehime-ken , Kagawa-ken .

① Topography . From between the paulownia. Nara-ken Gojou-shi Distributed in Sumikawa Town.

② things . Kouchi-ken Kouchi-shi Marunouchi was in the Edo period in the Tosa clan of the clan office. The same clan says that the room he was working on was between Tungs.

Kawazoko 【河底】^{レベル3
About 90}  The Japanese surnames etymology dictionary.

Oosaka-fu Oosaka-shi Higashiyodogawa-ku. Oosaka-fu Oosaka-shi Distributed in Inodo- ku, Higashiyodogawa-ku.