The story
From Marrucini + -an, from a passage of a Marrucinian book (Aes Rapinum) which states "touta marouca" as a city or village.
Etymology from Wiktionary, CC BY-SA 4.0.
Marrucinian
Today it means: The ancient language of the Marrucini, known from a few inscriptions, and thought to be a member of the Sabellian group, probably closely related to Paelignian. Full definition →