Cut one's losses
Meaning
Stop an activity to prevent further waste or damage.
Usage
Used when admitting a plan is not worth continuing.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Financial and military advice to abandon losing engagements.
The phrase appeared in nineteenth century trading manuals.