Lexical Definition

‎καταδιώκω‎ katadiṓkō (kat-ad-ee-o'-ko) to seek ^G:V
from ‎κατά‎ and ‎διώκω‎

follow after.

• to hunt down, i.e. search for

Abbott-Smith

κατα-διώκω, [in LXX chiefly for רדף;]
"perfective" compound (M, Pr., 116), to pursue closely, follow up;
(a) with hostile intent (Thuc., i, 49, Ge 31:36 al.);
(b) with kindly intention (Ps 22 (23):6*, I Ki 30:22, cf. Si 27:17): Mk 1:36.†

Abbott-Smith References

Liddell-Scott-Jones

καταδιώκω,

follow hard upon, pursue closely, [LXX+5th c.BC+] W., etc.: metaphorically, try to gain, [Refs 2nd c.BC+]

__2 search for, τινα [NT]
__3 overdrive cattle, [LXX]

_{LSJ Scripture Refs: LXX.Ps.17.38* ☩ Mark.1.36 ☩ LXX.Gen.33.13}