The most common and most likely answer to this crossword clue is the 5 letter word AIDED
A
I
D
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D
More clues leading to the result AIDED
Buddy explains!

The straight part
We know that "helped" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case helped = aided.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 AIDED mean?
AIDED verb- To provide support to; to further the progress of; to help; to assist.
- To climb with the use of aids such as pitons.