The most common and most likely answer to this crossword clue is the 7 letter word CROESUS
I've seen this crossword clue in The Daily Telegraph
C
R
O
E
S
U
S
More clues leading to the result CROESUS
- Fat cat running courses
- Wealthy man angry about EU split
- Rich man angry about drug going round university
- Wealthy man‘s questionable sources
- Rich man not completely welcome in Wales and America
- Extraordinary score by American plutocrat?
- Old moneybags rues cost, endlessly seething
- A variety of sources is needed to discover the King of Lydia
- He became proverbially rich from various sources
- Various sources used to find wealthy king
Buddy explains!
The straight part
We know that "wealthy king" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wealthy king = croesus.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.