Of or pertaining to this people or their language.

= Oscan, adj. 2. Obsolete.

Of or relating to the Paelignians or their language.

Of or belonging to, or designating the Italic language of this people.

Of or belonging to ancient Umbria, its inhabitants or language.

Of or relating to the Marsi or their language.

Of or pertaining to the Sabine language.

Of, belonging to, or designating (any of) a group of ancient Italic languages including Oscan, Umbrian, and related dialects.

= Osco-Umbrian, adj.