The most common and most likely answer to this crossword clue is the 4 plus 4 letter word KNEE HIGH
I've seen this crossword clue in Financial Times
K
N
E
E
H
I
G
H
Buddy explains!
The straight part
We know that "not far from the ground" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case not far from the ground = knee high.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 KNEE HIGH mean?
KNEE HIGH noun- (usually in the plural) A sock or stocking that reaches to the knees.
- Reaching to the height of a person's knees.