A History of Short Words

From the New York Times Crossword Puzzle

OCD

Sun, 1 Aug '21
Diagnosis characterized by repetitive behavior, in brief
Fri, 4 Jun '21
Anxiety condition, for short
Thu, 8 Apr '21
Paxil may alleviate it, in brief
Tue, 23 Mar '21
Neurotic condition, for short
Wed, 6 Jan '21
Condition that can lead to repetitive behavior, for short