Sexagesima
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) The second Sunday before Lent; - so called as being about the sixtieth day before Easter.
Charles Buck Theological Dictionary [2]
The second Sunday before Lent; so called because about the 60th day before Easter.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [3]
the Sunday which, in round numbers, is sixty days before Easter.
