SEXAGESIMA
Meaning of SEXAGESIMA in English
Sex ‧ a ‧ ges ‧ i ‧ ma /ˌseksəˈdʒesəmə, ˌseksəˈdʒesɪmə/ BrE AmE
in the Christian religion the second Sunday before Lent
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012