Hanjiao - From

...A set of fire-resistant Hajiki pottery hearth, kettle, steamer, and pot. Its origins lie in the rice-cooking system of China and Korea, and it was introduced in the second half of the 5th century and has since been called the "Karakamado (Han hearth)." In the second half of the 6th century, some Baekje immigrant clans who claimed to be descendants of the Han royal family had a custom of placing miniature Karakamados in ancient tombs, and they became symbols of the hearth of the underworld, cooking rice for the dead, and the passing of fire between the living and the dead. ...

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…耐火に適した土師器（はじき）の竈･釜･甑･鍋がセットをなす。源流は中国･朝鮮の炊飯制にあり，5世紀後半に伝わり，以後〈韓竈（からかまど）〉と呼ばれてきた。6世紀後半，漢の王室の後裔と称する一部の百済系渡来氏族の間では韓竈のミニチュアを古墳に収める慣行があり，冥界の竈，死者の炊飯，生者と死者の火継のシンボルとなっている。…

※「韓竈」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