The most common and most likely answer to this crossword clue is the 3 letter word END
I've seen this crossword clue in Financial Times
E
N
D
More clues leading to the result END
- Objective conclusions from the prosecution heard
- Stop a goal
- The purpose of open discussion
- Transmit, dropping header, and stop
- Somewhat fiendish purpose
- Close finishes in the Medallion Shield
- Finish part of bowls match
- Put a stop to the main round, ultimately
- Back in study, with head down
- Object, being in French dungeon at the beginning
Buddy explains!

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 END mean?
END noun- The terminal point of something in space or time.
- (by extension) The cessation of an effort, activity, state, or motion.
- (by extension) Death.
- The most extreme point of an object, especially one that is longer than it is wide.
- Result.
- A purpose, goal, or aim.
- One of the two parts of the ground used as a descriptive name for half of the ground.
- The position at the end of either the offensive or defensive line, a tight end, a split end, a defensive end.
- A period of play in which each team throws eight rocks, two per player, in alternating fashion.
- An ideal point of a graph or other complex.
- That which is left; a remnant; a fragment; a scrap.
- One of the yarns of the worsted warp in a Brussels carpet.
- (in the plural) Money.
- To come to an end
- To finish, terminate.