κοινολεξία
From LSJ
ἡμῶν δ' ὅσα καὶ τὰ σώματ' ἐστὶ τὸν ἀριθμὸν καθ' ἑνός, τοσούτους ἔστι καὶ τρόπους ἰδεῖν → whatever number of persons there are, the same will be found the number of minds and of characters
English (LSJ)
ἡ,
A ordinary language, Serv.ad Verg.A. 8.31, Eust.956.1.
German (Pape)
[Seite 1468] ἡ, gewöhnlicher, gemeiner Ausdruck, Sp.
Greek (Liddell-Scott)
κοινολεξία: ἡ, κοινὴ γλῶσσα, Εὐστάθ. 956. 1.