Hot pot - hot food

...General term for soup dishes in Japan. Broadly classified, there are miso-based and clear-based. In the olden days, it was called "atsumono" meaning hot food, and the character "kan" was used. After the Heian period, in addition to soup and soup, other terms such as jukujiru, atsujiru, and hiyashiru (cold soup) appeared, and from the Muromachi period, the term "suimono" also appeared. In modern times, the distinction between soup and soup is interpreted differently by different people, and they are practically used as synonyms. However, in the early modern period, as Ise Sadatake said, "Soup is soup served with rice" (Sadatake Miscellany), soup referred to something served with other vegetables when eating rice.

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…日本における汁料理の総称。大別してみそ仕立てとすまし仕立てがあった。古くは熱き物の意で〈あつもの〉と呼び，〈羹〉の字をあてた。平安時代以後，汁，汁物のほか，熟汁，温汁，冷汁（ひやしる）(寒汁)などが見られ，室町時代からは吸物の称も出現した。現代では汁と吸物の区別は，人によって解釈も区々であり，事実上は同義語のように使われている。しかし，近世では伊勢貞丈が〈汁物（しるのもの）と云は飯にそへたる汁の事也〉(《貞丈雑記》)といっているように，汁は飯を食べるとき他の菜（さい）といっしょに供されるものをいった。…

※「羮」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