noun
wood interlocking technique
A traditional Japanese joinery method where wooden pieces are intricately interlocked without nails, often used in temple and shrine construction. The term literally means 'hell assembly', reflecting the extreme difficulty of the technique.
この寺の柱は地獄組でしっかりと組まれている。
The pillars of this temple are firmly assembled using the jigoku-gumi interlocking technique.
地獄組は釘を使わない高度な木工技術だ。
Jigoku-gumi is an advanced woodworking technique that uses no nails.
The term combines 地獄 (hell) and 組 (assembly), likely referring to the extreme difficulty of the technique, which is so complex it is likened to a hellish task.