The most common and most likely answer to this crossword clue is the 8 letter word UNEARNED
I've seen this crossword clue in The Daily Telegraph
U
N
E
A
R
N
E
D
More clues leading to the result UNEARNED
- The sort of income you ultimately require to retain a service
- Almost indefinite number in university education like money for old rope?
- Like some income a Parisian press chief keeps close by?
- Sort of income a Parisian made?
- The type of income that might endure an upset
- One doesn’t know the source of such income
Buddy explains!

The straight part
We know that "Sort of income" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sort of income = unearned.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 UNEARNED mean?
UNEARNED adjective- Not earned.