The most common and most likely answer to this crossword clue is the 6 letter word DECLAW
D
E
C
L
A
W
More clues leading to the result DECLAW
Buddy explains!

The straight part
We know that "Cut off end of toes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cut off end of toes = declaw.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 DECLAW mean?
DECLAW verb- To surgically remove a cats claws; onychectomy.
- To make harmless.