《Eel Valley》 - Unagidani

...Sewamono (domestic drama). Also called "Tsumagasane: The Grudge of the Samesaya," commonly known as "Unagidani" or "Otsuma Hachirobei." The murder of Hachirobei's wife (the murder of the daughter of Yotsubashi) took place in July 1702 (Genroku 15), and was immediately adapted into a kabuki play and performed in Osaka.

*Some of the terminology explanations that mention "Unagi Valley" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…世話物。別題《裙重（つまがさね）恨鮫鞘》，通称《鰻谷（うなぎだに）》《お妻八郎兵衛》。古手屋(古物商)八郎兵衛のお妻殺し(四つ橋娘殺し)は，1702年(元禄15)7月に起こり，すぐさま歌舞伎に仕組まれて大坂で上演されている。…

※「《鰻谷》」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報