LSJ Gloss:κατασκοπέωto view closely, spy outDodson:κατασκοπέωI spy out, plot againstI view closely, inspect, spy out.
Strong's:κατασκοπέω to be a sentinel, i.e. to inspect insidiouslyDerivation: from G2685;KJV Usage: spy out. G2685
TBESG:κατασκοπέωto spyG:V κατα-σκοπέω, -ῶ [in LXX: Refs 4Ki.10:3, 1Ch.19:3 (רָגַל pi.), 1Ma.5:38 (A)* ;] to view closely, inspect, spy out: with accusative, Gal.2:4.† (AS)
κατασκοπέω kataskopeō kat-as-kop-eh'-o From G2685; to be a sentinel, that is, to inspect insidiouslyKJV Usage: spy out.
κατάσκοπος kataskopos kat-as'-kop-os From G2596 (intensive) and G4649 (in the sense of a watcher); a reconnoitererKJV Usage: spy.