Enpou 【円法】2 The Japanese surnames etymology dictionary.
Kouchi-ken , Hiroshima-ken . Origin of Kouchi-ken Kouchi-shi mirror Mr. Oori. A place name with a record in the notation of "wowri" in the Azuchi Momoyama period. Hiroshima-ken Yamagata-gun Kitahiroshima-chou Ohiri is a place name with a record since the Edo period. The place name was also written as "Great Year". Ishikawa-ken Hakusan-shi Tell him that he was engaged in agriculture in Kasama-machi. Estimated in the Edo period.