A History of Short Words

From the New York Times Crossword Puzzle

ESA

Fri, 13 Dec '24
Spanish pronoun
Tue, 13 Jun '23
How do you say that in Spanish?
Sun, 24 Jul '22
That: Sp.
Sun, 27 Feb '22
That: Sp.
Fri, 8 Oct '21
Spanish pronoun
Tue, 11 May '21
That: Sp.