About to give way and go back (6)
I believe the answer is:
recede
'go back' is the definition.
(I've seen this before)
'about to give way' is the wordplay.
'about' becomes 're' (regarding).
'to give way' becomes 'cede' (I've seen this before**).
're'+'cede'='RECEDE'
'and' is the link.
(Other definitions for recede that I've seen before include "Decree (anag) - ebb" , "Start balding" , "Withdraw" , "Go backwards" , "Go back, ebb" .)