/ daɪˈæspərə; NAmE / noun [ sing. ] ( formal )
1.
the diaspora the movement of the Jewish people away from their own country to live and work in other countries
2.
the movement of people from any nation or group away from their own country
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WORD ORIGIN
Greek , from diaspeirein disperse, from dia across+ speirein scatter. The term originated in the Septuagint (Deuteronomy 28:25) in the phrase esē diaspora en pasais basileias tēs gēs thou shalt be a dispersion in all kingdoms of the earth.