Quinquagesima
noun
Quin·qua·ges·i·ma
ˌkwinkwəˈjesəmə,
-jāzəmə
plural -s
1
obsolete : the period extending from the Sunday before Lent to Easter Sunday or the first week of this period
2
: the Sunday before Lent or the seventh before Easter in the church year observed by various branches of the Christian Church
called also Quinquagesima Sunday, Shrove Sunday
Word History
Etymology
Medieval Latin, from Latin, fiftieth, from quinquaginta fifty, from quinqua- (akin to Latin quinque five) + -ginta (akin to Latin -ginti in viginti twenty)