The most common and most likely answer to this crossword clue is the 6 letter word SAXONY
I've seen this crossword clue in The Guardian
S
A
X
O
N
Y
More clues leading to the result SAXONY
- Vote on being in state and part of Germany
- Invaders originating here cross further into state
- German state company concealing a sign of something wrong
- German state line ignored by jazzy music-maker, 27
- South American steer returns to city in area of Germany
- Cross about entering state, old European kingdom
Buddy explains!
The straight part
We know that "old European kingdom" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case old european kingdom = saxony.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.