Etymology and distribution of 丹禹.

Tan'u 【丹禹】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kumamoto-ken Arao-shi , Ishikawa-ken .

① There is virtue in the name of a man. Ishikawa-ken Suzu-shi It was in the Edo era during Wakayama cho. The old pronunciation is Seitoku. In 1578 (Tensho 6th year), there was a record in the notation of "morality", and it was also written as "Masanori" or "political virtue". It is unknown whether morality exists. 正徳 Shoutoku reference. 政徳 Seitoku reference.

② Personal name . In Gifu-ken , Wakayama-ken Wakayama-shi said that the merchant of the Kishu clan of the Clan Office called "Edo period" from the name "Tokuto" of Tokubei's name and Tokonobe's name.