noun
yen-buying intervention
A financial term referring to a central bank or monetary authority buying yen in foreign exchange markets to strengthen the currency.
政府は急激な円安を抑えるため、円買い介入に踏み切った。
The government decided to conduct yen-buying intervention to curb the rapid depreciation of the yen.
円買い介入の効果は一時的だった。
The effect of the yen-buying intervention was temporary.
Compound of 円 (yen) + 買い (buying) + 介入 (intervention). A straightforward modern financial term.