A History of Short Words

From the New York Times Crossword Puzzle

DELTACO

Sun, 17 Dec '23
Fast-food chain with a sunrise in its logo
Sat, 13 May '23
Fast food chain whose name becomes another company when its last two letters are removed
Sat, 12 Feb '22
Fast-food chain with the slogan "UnFreshing Believable"
Wed, 24 Feb '21
Chipotle competitor