Etymology and distribution of 誓.

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

Toyama-ken Himi-shi . Terrain . Toyama-ken Himi-shi I told that it is a land where landslides are prone to occur as "the eyes trying to escape the ground". Meiji New Last name in estimation.迯 is a variant of 'escape'.