The most common and most likely answer to this crossword clue is the 6 letter word QUENCH
Q
U
E
N
C
H
More clues leading to the result QUENCH
Buddy explains!
The straight part
We know that "Put an end to" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case put an end to = quench.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does QUENCH mean?
QUENCH noun- The abnormal termination of operation of a superconducting magnet, occurring when part of the superconducting coil enters the normal (resistive) state.
- A rapid change of the parameters of a physical system.
- To satisfy, especially an actual or figurative thirst.
- To extinguish or put out (as a fire or light).
- To cool rapidly by dipping into a bath of coolant, as a blacksmith quenching hot iron.
- To terminate or greatly diminish (a chemical reaction) by destroying or deforming the remaining reagents.
- To rapidly change the parameters of a physical system.