What is the definition of put an end in idiomatic expression?

The idiom "put an end" means to stop something completely, permanently, or decisively. It implies finality and a resolution to whatever is being ended.

Here are some examples:

* "The new law will put an end to the illegal trade." (meaning it will stop the trade completely)

* "The doctor's treatment put an end to his pain." (meaning the pain stopped permanently)

* "Her strong argument put an end to the debate." (meaning the debate was decisively concluded)

The phrase often suggests a sense of relief or closure. It can be used in both positive and negative contexts, depending on the situation being described.