Crossword clue: an extinct osco-umbrian language of ancient italy that survives only in a few inscriptions
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
sabellian
9 letters
wn-def
an extinct Osco-Umbrian language of ancient Italy that survives only in a few inscriptions