A History of Short Words

From the New York Times Crossword Puzzle

YAM

Wed, 17 Nov '21
Major vegetable export of Nigeria (nearly 70% of the world's total)
Thu, 23 Sep '21
Food item that may be candied
Wed, 10 Feb '21
Crop item grown in Chinua Achebe's "Things Fall Apart"
Mon, 1 Feb '21
Thanksgiving vegetable