Etymology and distribution of 河流.

Kawaryuu 【河流】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Ishikawa-ken Hakusan-shi , Toyama-ken Kurobe-shi .

① things . From Warajas of footwear. Ishikawa-ken Hakusan-shi tells that Ishikawa-ken Kanazawa-shi Marunouchi gave the Edo era from Mr. Maeda of the Kaga lordship of the Clan office because he was presenting a warage at the time of the diplomatic service.

② Toyama-ken Kurobe-shi birthplace origin. A place name with a record since the Edo period. It is distributed in the same place.