The most common and most likely answer to this crossword clue is the 6 letter word REUSES
I've seen this crossword clue in Financial Times
R
E
U
S
E
S
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 REUSES mean?
REUSES noun- The act of salvaging or in some manner restoring a discarded item to yield something usable.
- The act of using again, or in another place.
- To use again something that is considered past its usefulness (usually for something else).
- To use again, or in another place.