Other forms: windfalls
A windfall is an unexpected piece of good fortune, often money. A tax windfall, an unexpected windfall, windfall profits.
The literal meaning is fruit blown down from a tree, which anybody could gather without picking it, and that is the whole image. A windfall tax is a one-off levy on profits a company did nothing to earn.
1nounwindfallAn unexpected piece of good fortune, often money.
“She used her lottery windfall to pay off the mortgage.”
windfall is a fortune.
Wind plus fall, from fruit or timber blown down and free to be gathered.
Middle English
windfal
English, today
windfall
From Middle English windfal, wyndfall, equivalent to wind + fall. Cognate with Middle High German wintval, wintfal, German Windfall.
Etymology from Wiktionary, CC BY-SA