A History of Short Words

From the New York Times Crossword Puzzle

IHOP

Mon, 5 Sep '22
Breakfast restaurant chain
Thu, 10 Feb '22
Denny's competitor
Wed, 26 Jan '22
Breakfast chain
Sun, 4 Apr '21
Seller of Belgian waffles and French toast (fittingly, considering the "I" in its name)
Sat, 27 Mar '21
Where to order a Rooty Tooty Fresh 'N Fruity
Sun, 21 Feb '21
Sister restaurant of Applebee's