The most common and most likely answer to this crossword clue is the 7 letter word HATCHED
I've seen this crossword clue in The Sunday Telegraph
H
A
T
C
H
E
D
More clues leading to the result HATCHED
Buddy explains!
The straight part
We know that "Put in shade/came out of one’s shell" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case put in shade/came out of one’s shell = hatched.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 HATCHED mean?
HATCHED verb- To close with a hatch or hatches.
- (of young animals) To emerge from an egg.
- (of eggs) To break open when a young animal emerges from it.
- To incubate eggs; to cause to hatch.
- To devise.
- To shade an area of (a drawing, diagram, etc.) with fine parallel lines, or with lines which cross each other (cross-hatch).
- To cross; to spot; to stain; to steep.