Etymology and distribution of 波済.

Namizumi 【波済】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Iwate-ken · Yamagata-ken , Kumamoto-ken . Terrain . From snakes and mounds. Kumamoto-ken Kikuchi-shi It was in the Kamakura period in the castle of Goda of Gumi - cho, Gumi. I will tell Mr. Hayashibara in the same place. 林原 Hayashibara reference.