Determination to work at this puzzle again (7)
I believe the answer is:
resolve
'determination' is the definition.
(I've seen this before)
'work at this puzzle again' is the wordplay.
I cannot quite understand how this works, but
'work' could be 'solve' (synonyms) and 'solve' is found in the answer.
'again' could be 're' (prefix meaning 'again') and 're' is present in the answer.
This accounts for all the letters.
This may be the basis of the clue (or it may be nonsense).
'to' acts as a link.
Can you help me to learn more?
(Other definitions for resolve that I've seen before include "Fix" , "Determine with conviction" , "Settle, conclude" , "Settle (a dispute)" , "Firmly decide" .)