Prompt you to dig your finger-nails into - long (4)

I believe the answer is:

itch

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

'long' is the definition.
(to long or itch for something is to desire it)

I can't explain the rest of the clue.

(Other definitions for itch that I've seen before include "Irritating feeling on the skin" , "Restless longing" , "Seven-yearly desire" , "Uncomfortable feeling" , "Yen" .)

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.