The most common and most likely answer to this crossword clue is the 2 plus 4 letter word DA CAPO
I've seen this crossword clue in The Guardian
D
A
C
A
P
O
More clues leading to the result DA CAPO
Buddy explains!

The straight part
We know that "from the beginning /from the beginning" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case from the beginning /from the beginning = da capo.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.