koi·ne /kɔɪˈne, ˈkɔɪˌ; kiˈni/
  以阿提喀方言為主的希臘共通語
  Koine
       n 1: a Greek dialect that flourished under the Roman Empire
       2: a common language used by speakers of different languages;
          "Koine is a dialect of ancient Greek that was the lingua
          franca of the empire of Alexander the Great and was widely
          spoken throughout the eastern Mediterranean area in Roman
          times" [syn: lingua franca, interlanguage]