Answer: koines

AnswerCrossword Clue
koinesthe Greek language commonly spoken and written in eastern Mediterranean countries in the Hellenistic and Roman periods
koinesamalgam of Greek dialects, chiefly Attic and Ionic, that replaced the Classical Greek dialects in the Hellenistic period and flourished under the Roman Empire
koinesdialect or language of a region that has become the common or standard language of a larger area
koineslingua franca
koinesKOINE, a type of dialect (a language peculiar to a region)