noun
framework; frame; skeleton (of a building)
Refers to the structural framework of a building, especially the arrangement of columns and beams. Common in architecture and construction.
この建物の軸組は木造です。
The framework of this building is wooden.
軸組の設計が耐震性を左右する。
The design of the framework affects earthquake resistance.
Compound of 軸 (axis, pivot) and 組 (assembly, framework). The term likely originated in traditional Japanese carpentry to describe the arrangement of main structural members.