The most common and most likely answer to this crossword clue is the 4 letter word FINN
I've seen this crossword clue in The Guardian
F
I
N
N
More clues leading to the result FINN
- Almost track down North European
- Loud pub, European
- Rafter on Mississippi hotel attached to back of roof
- National following superior to local
- European hero in American adventures
- National chief in newspaper covers
- Forte hotel for a northerner
- The end for French national and EU statesman
- Scandinavian with some belief in Nordism
- European conclusions of Chief Rabbi in question
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.