The most common and most likely answer to this crossword clue is the 8 letter word GIRLHOOD
I've seen this crossword clue in The Times
G
I
R
L
H
O
O
D
More clues leading to the result GIRLHOOD
Buddy explains!
The straight part
We know that "in early years" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in early years = girlhood.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 GIRLHOOD mean?
GIRLHOOD noun- The state of being a girl.
- The childhood of a girl.