A History of Short Words

From the New York Times Crossword Puzzle

DEC

Thu, 18 Aug '22
Prefix meaning "10" that's associated with 12
Sun, 6 Mar '22
Universal Human Rights Mo.
Tue, 7 Dec '21
'Tis the season: Abbr.
Mon, 16 Aug '21
Xmas mo.
Sun, 14 Mar '21
Abbr. at the end of a planner