Lexical Definition

‎διασπορά‎ diasporá (dee-as-por-ah') dispersion ^G:N-F
from ‎διασπείρω‎

(which are) scattered (abroad).

• dispersion, i.e. (specially and concretely) the (converted) Israelite resident in Gentile countries

Abbott-Smith

δια-σπορά, -ᾶς, ἡ (< διασπείρω), [in LXX of Israelites dispersed and exiled in foreign lands, as De 28:25 (זַעֲוָה) 30:4 (נדח ni.), Is 49:6 (נער); by meton., of the exiles themselves (as Ps 146 (147):2*, II Mac 1:27) ;]
a dispersion: δ. τῶν Ἑλλήνων, Jo 7:35; metaph., of Christians (DB, iii, 782 f.), Ja 1:1, I Pe 1:1 (v. Hort, in ll.).†

Abbott-Smith References

Liddell-Scott-Jones

διασπορά-ά, ἡ,

(διασπείρω) scattering, dispersion, [LXX+1st c.AD+]

__2 collectively, ={οἱ διεσπαρμένοι}, [LXX+NT]

_{LSJ Scripture Refs: LXX.Jer.15.7 ☩ LXX.Deut.28.25 ☩ John.7.35 ☩ LXX.Ps.146.2*}