Liguria
From LSJ
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
ἡ Λιγυστική.
A Ligurian: Λίγυς, -υος.
Ligurian, adj.: Λιγυστικός. Fem. adj., in V. Λίγυστις, -ιδος (Eur., Tro. 437).