The most common and most likely answer to this crossword clue is the 7 letter word AUSTRAL
I've seen this crossword clue in The Daily Telegraph
A
U
S
T
R
A
L
More clues leading to the result AUSTRAL
- Southern state, not Iowa
- Southern area with ultras all over the place
- Two Americans hearing one will leave from the south
- Worried at a slur from the South
- An American legal action barring one from the South
- Southern American in a lawsuit after losing independence
- Segment of holocaust rally is coming from the South
Buddy explains!

The straight part
We know that "from the South" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case from the south = austral.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 AUSTRAL mean?
AUSTRAL adjective- Of, relating to, or coming from the south.
- A former currency of Argentina.