Etymology and distribution of 定良.

Teira 【定良】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Gifu-ken , Niigata-ken , Shiga-ken . Distribution which also includes Nemanami. Norma is rare. Shiga-ken Hikone-shi Origin of Nishinuma-cho, Eiganuma (Nonami) town. In the Nara era, the name of the place called "Namami (Nunami)". The place name was also written as "Noiwa". It is distributed in the same place. He told him that he called it during the Heian period in the same place.