immortalem
Immortalem is the accusative singular masculine or feminine form of the Latin adjective immortalis, meaning "immortal" or "undying." In Latin grammar, immortalis is a third-declension adjective of the -alis type. The masculine nominative singular is immortalis, the neuter nominative/accusative singular is immortale, and the accusative singular masculine or feminine form is immortalem, used when the adjective modifies a noun in the accusative case.
Etymology and form: immortalis is formed from the prefix in- (not) plus mortalis (mortal), reflecting the sense
Usage and context: Immortalem appears in Latin texts whenever the noun it modifies is masculine or feminine