Longlast

2 clues
At ___ (finally)
At ___ . . . " (abdication phrase)
Similar answers:
Ablast
Ablastingindisguise
Aboutlastnight
Agelong
Agsalong
Airblast
Alast
Alastair
Alastairsim
Alastairsimp
Alastherewasnt
Alastomisstheannualball
Alastor
Albalonga
Allalong
Allalongtheline
Alldaylong
Allnightlong
Allonge
Allsummerlong