A History of Short Words

From the New York Times Crossword Puzzle

IDIOM

Tue, 27 Sep '22
"Getting on in years," e.g.
Tue, 20 Sep '22
Put two and two together, e.g.
Sat, 23 Oct '21
Challenge for a language learner
Tue, 23 Mar '21
"Hot to trot" or "cool as a cucumber"