A History of Short Words

From the New York Times Crossword Puzzle

KNEW

Mon, 29 May '23
Was certain of
Sun, 28 May '23
Had down
Wed, 3 May '23
Had no doubt
Mon, 26 Dec '22
Understood
Thu, 14 Jul '22
Had down
Sat, 2 Jul '22
"Who ___?"
Fri, 26 Nov '21
Was aware