In years past (4)
'in years past' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for once that I've seen before include "On a single (or past) occasion" , "In times past" , "Formerly - not repeated" , "In days past" , "At a previous time" .)
'in years past' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for ago that I've seen before include "Previously" , "Back (in time)" , "Gone, past, since" , "In past times" , "Time past" .)