A History of Short Words

From the New York Times Crossword Puzzle

IOUS

Tue, 18 Feb '25
Ones vowing payback?
Sat, 22 Jun '24
Cash substitutes
Sun, 19 May '24
Promises to pay
Mon, 24 Jul '23
Debtors' notes
Thu, 15 Jun '23
Markers, of a sort
Sun, 29 Jan '23
Chits
Sun, 4 Dec '22
Money promises
Mon, 21 Jun '21
Debtors' notes