What does "sabellian language" mean?

an extinct Osco-Umbrian language of ancient Italy that survives only in a few inscriptions

What is a synonym for "sabellian language"?

Common synonyms include: osco-umbrian, sabellian.

Rare ·Advanced level

Noun

1
an extinct Osco-Umbrian language of ancient Italy that survives only in a few inscriptions wordnet