Etymology and distribution of 五十森.

Isomori 【五十森】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Wakayama-ken . Wakayama-ken Arida-shi Originated from Komagome cho . Place name in the Heian era with the notation of "something" recorded. The place name was also written as "Itaga" and "Ito-ga".