Archaic form of tui (the parson bird)
"The pharmacist explained that his new prescription required a TUE before he could fill it at the hospital pharmacy."
Abbreviation of Tuesday.
Initialism of therapeutic use exemption.
"The calendar shows that today is tue, so we can start our weekend plans now."
Alternative form of Tiw (the god Tyr).
"In Old English poetry, Tue was sometimes invoked alongside other gods to represent bravery and justice."
The word "Tue" is an Anglicized form of the Old English name Tiw, which was originally used to refer to the god of war and justice in Germanic mythology. Its spelling was adjusted over time to match the familiar pattern of other days of the week like Tuesday.