The most common and most likely answer to this crossword clue is the 9 letter word PERSPIRES
I've seen this crossword clue in Financial Times
P
E
R
S
P
I
R
E
S
More clues leading to the result PERSPIRES
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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 PERSPIRES mean?
PERSPIRES verb- To emit (sweat or perspiration) through the skin's pores.
- To be evacuated or excreted, or to exude, through the pores of the skin.