A History of Short Words

From the New York Times Crossword Puzzle

LOO

Sat, 29 Jul '23
Looky-___ (overcurious sort)
Sun, 18 Jun '23
John for Cleese
Mon, 5 Jun '23
Elton's john?
Wed, 12 Apr '23
Place to go in England
Thu, 2 Feb '23
Facilities in England
Wed, 4 Jan '23
W.C.
Sun, 26 Jun '22
Head of Eton?
Tue, 14 Jun '22
John of Salisbury
Tue, 31 May '22
Place for a royal flush?
Wed, 23 Mar '22
___ roll (Brits' term for toilet paper)
Sat, 27 Nov '21
Head of Hogwarts?
Thu, 14 Oct '21
Head across the pond?
Sat, 17 Apr '21
Head across the pond
Sun, 11 Apr '21
A head
Tue, 6 Apr '21
Facilities in England
Wed, 3 Feb '21
Can, in Canterbury
Tue, 5 Jan '21
Head of England?