The most common and most likely answer to this crossword clue is the 3 plus 4 letter word DIE DOWN
I've seen this crossword clue in The Guardian
D
I
E
D
O
W
N
More clues leading to the result DIE DOWN
- Calm, it’s said, the colour blue
- Did individual ingesting Ecstasy become less intense?
- Yearned to possess sink
- Long feathers blow over
- Passed on hold with ease
- Blow over pop off having drink
- Within two days, odd bits of ice have to subside
- Lose strength having drunk odd wine
- Yearn to have a drink and fade away
- Drop off and admit having stopped working earlier
Buddy explains!

The straight part
We know that "blow over" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case blow over = die down.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.