Crossword Genius

Team leader to astonish and seek damages for notice period (3,5)

Ross

I believe the answer is:

two weeks

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

'period' is the definition.
(two weeks is a kind of period)

'team leader to astonish and seek damages for notice' is the wordplay.
I cannot really see how this works, but
an anagram of 'seek' is 'eeks' which is located in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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