noun
construction industry; civil engineering and construction
Refers broadly to the industry encompassing civil engineering and building construction. Often used in economic or business contexts.
彼は土建業で働いている。
He works in the construction industry.
土建業は地域経済を支えている。
The construction industry supports the local economy.
Compound of 土 (do, 'earth'), 建 (ken, 'build'), and 業 (gyō, 'industry').