Where does “immémorablement” come from?
immémorablement (French) comes from French immémorable, from French mémorable, from Middle French mémorable, from Latin memorabilis, from Latin -bilis, from Proto-Italic -ðlis, from Proto-Indo-European -dʰlis, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...
immémorablement (French): immemorably
Ancestry of “immémorablement”, step by step