Each cut - Kakusetsu

…As the name suggests, this was a game where participants brought a variety of sake, fish, etc., and enjoyed the experience. In the “Zoku Kojidan” (1219), it is written that “although it was customary for the Imperial Court to ban certain dishes, it continued for a long time, and Sutoku-in’s Suetsukata, Tono Chujo Kinnobu Ason, revived it by replacing the ones that had disappeared.” It is said that the game was revived by Fujiwara Kinnobu in the 1130s after being discontinued for a while. During the Muromachi period, it was called kakusetsu, meaning that each person brought something, and it was enjoyed by monks and servants of powerful families, and even today in the Hokuriku region, potluck parties are still called kakusetsu. Also, parties called “jiru” have been held since the Muromachi period. …

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…これはその名のように，参会者が酒，さかな(肴)などを1種ずつ持ちよって趣向を楽しんだ遊びで，《続古事談》(1219)には〈殿上ノ一種物ハツネノ事ナレドモ，久シクタエタルニ，崇徳院ノスヱツカタ，頭中将公能朝臣ハ絶タルヲツギ廃タルヲ興シ〉と見え，しばらく中絶していたのを，1130年代に藤原公能が再興したといっている。室町期にはめいめいが物を出すの意で各切（かくせつ）と呼び，僧侶や権門勢家の使用人などがこれを楽しんでおり，いまも北陸地方などには持ち寄りでする宴会を〈かくせつ〉と呼ぶところがある。また，〈汁〉と称した宴会も室町期から行われている。…

※「各切」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