Crossword Genius

Connected bogus sick note with first of lawsuits coming in (5-4)

Ross

I believe the answer is:

close-knit

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

'connected bogus sick' is the definition.
Both the answer and definition are adjectives. Perhaps they are linked in a way I don't understand?

'note with first of lawsuits coming in' is the wordplay.
I cannot quite understand how this works, but
'note' could be 'n' (abbreviation) and 'n' is found within the answer.
'first' could be 'i' (I in Roman numerals eg Elizabeth I) and 'i' is located in the answer.
'of' could be 'o' and 'o' is present in the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for close-knit that I've seen before include "Bound together by strong relationships" , "Intimate as a group" , "Bound by strong ties" , "(Group) united by many ties" , "Bound together as by family ties" .)

I've seen this clue in The Guardian.
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