Crossword Genius

Again start to remove what’s blocking it? (6)

Ross

I believe the answer is:

unstop

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

'remove what's blocking it?' is the definition.
I can't judge whether this definition defines the answer.

'again start to' is the wordplay.
I cannot quite understand how this works, but
'to' is present in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Another definition for unstop that I've seen is " Open".)

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.