Where does “Quartodecimanism” come from?
Quartodecimanism (English) comes from English Quartodeciman, from Latin Quārtadecimānī, from Latin quartusdecimus, from Latin Decimus, from Latin decem, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.
Ancestry of “Quartodecimanism”, step by step