Early signs of trouble doctor documented in resolutions (9)
I believe the answer is:
rumblings
'early signs' is the definition.
Although both the answer and definition are plural nouns, I cannot understand how they can define each other.
'trouble doctor documented in resolutions' is the wordplay.
I cannot really understand how this works, but
'doctor' could be 'mb' (Bachelor of Medicine, Medicinae Baccalaureus) and 'mb' is found in the answer.
'in' is present in the answer.
This explanation may well be incorrect...
'of' is the link.
Can you help me to learn more?
(Other definitions for rumblings that I've seen before include "Deep sounds as of thunder" , "Rumours" .)