下火 (したび) Japanese meaning | Kotomora。
The fire has finally died down.
The boom is already waning.
Usage patterns
〈事〉が下火になるfor something (a trend, craze, fire, etc.) to die down
That craze has completely died down now.
〈事〉は下火の傾向にあるsomething is showing a tendency to wane
Recently, infections from that disease have been tending to decline.
Expressions
下火になるdie down (fire); be brought under control (fire) · decline; wane; fall off; go out of fashion