noun
economic collapse; economic meltdown
Refers to a severe breakdown of an economy, such as a financial crisis, hyperinflation, or systemic failure.
その国は戦争の後、経済崩壊に陥った。
After the war, the country fell into economic collapse.
経済崩壊を防ぐために、政府は緊急対策を取った。
To prevent an economic meltdown, the government took emergency measures.
Compound of 経済 (economy) and 崩壊 (collapse, breakdown). The word is a straightforward Sino-Japanese compound.