Etymology and distribution of 海士.

Kaishi 【海士】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

葛島 Kuzushima reference.

Ama 【海士】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Hokkaidou , Miyagi-ken , Ishikawa-ken .

① Miyagi - ken Watari - gun Watari - chou Arashi (Arahama) was a place name with a record since the Edo period. It is distributed in the same place.

② Creation . In Ishikawa-ken tell it from "Arashan (Arahan)" meaning a saint who is appropriate for receiving respect and offering in Buddhist term. Derived word of root alf (arh-) with the meaning of "valuable" and "fine" in Sanskrit.