This branch school was called Ochi-Kanze later because it was based in Yamato Province, and especially because Juro dayu (the third) carried out activities under the protection of the Ochi clan.
大和国を根拠地とし、特に三世十郎大夫が越智氏の庇護の下で活動したため、後世この名で呼ばれている。