A History of Short Words

From the New York Times Crossword Puzzle

MUM

Mon, 15 Apr '24
The word, in a saying
Sun, 27 Aug '23
Keep ___
Mon, 27 Mar '23
Closemouthed
Tue, 18 Jan '22
It's "the word"
Wed, 20 Jan '21
Shh ... it's the word!