Sea bream in a pot

...These crossbars are called chouji, kobashiri, and kozari, as well as kozaru (little monkey). Originally they were just pieces of wood, but later they were carved into the shapes of fish and fans. Fish-shaped crossbars are particularly called 'north-facing crucian carp' or 'entering sea bream', and are commonly said to point the hook at the end towards the entrance of the house, with the head of the fish facing towards the back of the house, as in 'hook-entering fish'. The jizakagi was thought to be a vessel for the god of fire, and was given honorifics such as kagidono and kagisama. ...

*Some of the terminology that refers to "iri tai" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…この横木は小猿のほか，チョウジ，コバシリ，コザリともよばれ，もとは単なる板きれであったが，のちに魚や扇の形に彫られたものが登場した。魚形の横木はとくに〈北向き鮒〉とか〈入り鯛〉と称し，俗に〈出鉤入り魚〉というように先端のかぎは家の入口に，魚の頭は逆に家の奥に向けるものとされた。自在かぎは火の神の依代（よりしろ）と考えられ，カギドノ，カギサマなどの敬称でよばれた。…

※「入り鯛」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