Quadragesima
/ˌkwɒdrəˈdʒɛsɪmə
/(also Quadragesima Sunday)
noun
The first Sunday in Lent.At one time only operas with religious themes could be staged during Quadragesima.
Origin
From ecclesiastical Latin, feminine of Latin quadragesimus 'fortieth', from quadraginta 'forty' (Lent lasting forty days).