The most common and most likely answer to this crossword clue is the 14 letter word IMPOVERISHMENT
I've seen this crossword clue in Financial Times
I
M
P
O
V
E
R
I
S
H
M
E
N
T
More clues leading to the result IMPOVERISHMENT
Buddy explains!
The straight part
We know that "having no bread left" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case having no bread left = impoverishment.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 IMPOVERISHMENT mean?
IMPOVERISHMENT noun- The action of impoverishing someone.
- The state of being impoverished.