scupper
UK[ˈskʌpə(r)]US[ˈskʌpər]
v
To sink or destroy a ship deliberately.
v
To ruin a plan or put an end to something.
Etymology
The etymology of 'scupper' is obscure but fascinating. It likely entered English in the late 15th century from a nautical context, possibly derived from the Old French 'escopir', meaning 'to spit', metaphorically describing water draining from a ship's deck. The verb sense, meaning to sink a ship or ruin plans, emerged in the 19th century. This evolution reflects a vivid metaphorical leap from the literal image of water flushing through a deck opening to the figurative sense of causing something to be overwhelmed and destroyed.
Analysis
The word 'scupper' is a simplex form. It is a loanword of uncertain origin, possibly from an Old French term related to the mouth of a cannon or an opening.
Examples
The captain gave the order to scupper the vessel to prevent it from falling into enemy hands.
The sudden rainstorm completely scuppered our plans for a picnic.
A key witness withdrawing their testimony could scupper the prosecution's case.