A History of Short Words

From the New York Times Crossword Puzzle

TAU

Mon, 18 Oct '21
Sigma's follower
Tue, 24 Aug '21
Letter before upsilon
Sun, 1 Aug '21
Upsilon preceder
Sun, 18 Jul '21
___ lepton (elementary particle)
Mon, 24 May '21
Letter after sigma
Tue, 23 Feb '21
T, in a sorority