Driven forward to construct deep mill (8)

I believe the answer is:

impelled

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

'driven forward' is the definition.
'impelled' can be an answer for 'driven' (I've seen this in another clue). I'm not certain of the 'forward' bit.

'construct deep mill' is the wordplay.
'construct' is an anagram indicator.
'deep'+'mill'='deepmill'
'deepmill' with letters rearranged gives 'IMPELLED'.

'to' is the link.

Can you help me to learn more?

(Other definitions for impelled that I've seen before include "Urged or forced to action" , "Constrained" , "Driven to do something" .)

I've seen this clue in The Daily Express.

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.