A History of Short Words

From the New York Times Crossword Puzzle

REI

Mon, 25 Oct '21
Big retailer of outdoor gear
Sun, 25 Jul '21
Camping gear brand
Fri, 21 May '21
Competitor of Dick's Sporting Goods
Sat, 8 May '21
Camper's gear chain
Sun, 14 Feb '21
L.L. Bean competitor
Fri, 1 Jan '21
A fifth