Darling invention of J.M. Barrie (5)

I believe the answer is:

wendy

I'm a little stuck... Click here to teach me more about this clue!

'barrie' is the definition.
Both the definition and answer are singular nouns.
Perhaps there's a link between them I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for wendy that I've seen before include "Peter Pan's friend" , "31's friend" , "Art-loving Sister (TV)" , "Peter's girl-friend" , "Girl associated with 13" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.