The most common and most likely answer to this crossword clue is the 9 letter word EMANATING
I've seen this crossword clue in The Daily Telegraph
E
M
A
N
A
T
I
N
G
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 EMANATING mean?
EMANATING verb- To come from a source; issue from.
- To send or give out; manifest.