The most common and most likely answer to this crossword clue is the 5 letter word AFORE
I've seen this crossword clue in Independent
A
F
O
R
E
More clues leading to the result AFORE
Buddy explains!
The straight part
We know that "in the van a while back" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in the van a while back = afore.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 AFORE mean?
AFORE adverb- Before.
- In the fore part of a ship.
- Before; in advance of the time of.
- Before; situated geographically or metaphorically in front of.
- In advance of the time when; before.