from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. In the Catholic liturgical year, the eighth Sunday (i.e. the sixtieth—minus one—day) before Easter (and the second before Lent).
Latin sexagesima, the feminine inflection of sexagesimus 'the sixtieth' + Sunday (Wiktionary)
Sexagesima Sunday was Sir John's sixty-sixth birthday, and it was spent in expectation that it would be the last of the whole party at home, for on the Monday Sir John was obliged to go to London for a meeting of the Judicial Committee.