Etymology and distribution of 通次.

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

Kouchi-ken Kouchi-shi , Kouchi-ken Nankoku-shi . Originated from the vicinity of Numata River (old: Numata) flowing through Hiroshima-ken Mihara-shi . A place name with a record since the Nara period. The place name was also written as "Putian". She also says that her last name was also called "Dada". 奴田 Nuda reference.