Lost in wood, goblin, elf or sprite (5,10)

I believe the answer is:

robin goodfellow

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

'sprite' is the definition.

'lost in wood goblin elf or' is the wordplay.
'wood goblin elf or' anagrams to 'ROBIN GOODFELLOW'.
Though, I'm not clear how this is indicated.

Can you help me to learn more?

(Other definitions for robin goodfellow that I've seen before include "mischievous one" , "Elf" , "Puck" , "spirit" , "Mischief-maker" .)

I've seen this clue in The Sunday Times.

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.