Etymology and distribution of 鍬初.

Kuwazome 【鍬初】^{レベル3
About 70}  The Japanese surnames etymology dictionary.

Oosaka-fu Oosaka-shi Joto-ku. A variant of 小八木 . From a similar character when it was written in portrait. Oosaka-fu Oosaka-shi Distribution in Seito ku growth. Kouchi-ken Kouchi-shi Marunouchi was in the Edo period in the Tosa clan of the clan office. The same samurai is said to be Sakagi and the same source. 小八木 Koyagi reference.