Days of __ (long-ago time) (4)
I believe the answer is:
yore
(Other definitions for yore that I've seen before include "Formerly, of long ago" , "Time long past" , "Archaic word for long ago" , "Times past" , "Time long ago" .)
I believe the answer is:
yore
(Other definitions for yore that I've seen before include "Formerly, of long ago" , "Time long past" , "Archaic word for long ago" , "Times past" , "Time long ago" .)