Osco-Umbrian

noun

• 1 [mass noun] a group of ancient Italic languages including Oscan and Umbrian, spoken in Italy in the 1st millennium bc, before the emergence of Latin as a standard language.

• 2a member of any of the peoples who spoke a language in the Osco-Umbrian group.

adjective

• relating to the Osco-Umbrians or their languages.