A History of Short Words

From the New York Times Crossword Puzzle

YADA

Sun, 27 Apr '25
When tripled, "You know what I'm sayin' …"
Fri, 28 Mar '25
Nonsense word akin to "blah"
Mon, 13 Nov '23
When tripled, "you get the idea"
Sun, 30 Jul '23
When tripled, "Blah, blah, blah"
Sat, 22 Apr '23
"Blah" alternative