Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.“-κταίνω” 2 Ep.Cor.3.6, etc.), fut. -κτενῶ, Ion. “-κτενέω” Hdt.3.30: aor. 1 “ἀπέκτεινα” Il.: pf. “ἀπέκτονα” Isoc.12.66, Pl.Ap.38c, X.Ap.29, D.22.2; plpf. 3pl. “-εκτόνεσαν” Id.19.148, Ion. 3sg. “-εκτόνεε” Hdt.5.67; later “ἀπεκτόνηκα” Arist. SE 182b19, Parth.24.2, Plu. Tim.16; also “ἀπέκταγκα” Men.344, Arist. Pol.1324b16,18, LXX 1 Ki.24.12, etc.; “ἀπέκτα^κα” Plb.11.18.10: aor. 2 “-έκτα^νον” Il., poet. 1pl. “ἀπέκταμεν” Od.23.121, inf. -κτάμεναι, -κτάμεν, Il.20.165, 5.675:—Pass., late (ἀποθνήσκω being used as the Pass. by correct writers), pres. in Palaeph.7: aor. “ἀπεκτάνθην” D.C.65.4, LXX 1 Ma.2.9: aor. 2 inf. “ἀποκτανῆναι” Gal. 14.284: pf. inf. “ἀπεκτάνθαι” Plb.7.7.4, LXX2 Ma.4.36:—but aor. Med. in pass. sense “ἀπέκτατο” Il. 15.437, 17.472; part. “ἀποκτάμενος” 4.494, etc.; cf. ἀποκτείνυμι:— stronger form of κτείνω, kill, slay, Ep., Ion., and the prevailing form in Att. (cf. ἀποθνήσκω): once in A.Ag.1250, never in S., freq. in E., Hec. 1244, al.

2. of judges, condemn to death, Antipho 5.92, Pl.Ap.30d sq., etc.; also of the accuser, And.4.37, X.HG2.3.21, Th.6.61; put to death, Hdt.6.4: generally of the law, Pl.Prt. 325b.

3. metaph., “τὸ σεμνὸν ὥς μ᾽ ἀ. τὸ σόν” E.Hipp.1064; σὺ μή μ᾽ ἀπόκτειν) Id.Or. 1027.