συμμᾰχ-έω,
aorist συνεμάχησα [[ “IG” 22.10 A 7 (5th c.BC)] Refs 5th c.BC+]: perfect συμμεμάχηκα [[ “SIG” 588.61 (Milet., 2nd c.BC)] Refs 2nd c.BC+]:—to be an ally, to be in alliance, [[ 4th-5th c.BC: Aeschylus Tragicus “Persae” 793, 5th c.BC: Thucydides Historicus 1.35, 7.50, etc.: with _accusative_ _cognate_, σ. τὴν μάχην “IG” [same place]: with _dative_, “SIG” 366.8 (Delph., 3rd c.BC), etc.] Refs 5th c.BC+]; οὐ ξ., ἀλλὰ ξυναδικεῖν join not in war but in doing wrong, [[ 5th c.BC: Thucydides Historicus 1.39 ] Refs 5th c.BC+]: generally, help, succour, σ. τινί [[ 5th c.BC: Sophocles Tragicus “Antigone” 740, “Ph.” 1368, 5th-6th c.BC: Plato Philosophus “Respublica” 440c, “Phlb.” 14b, etc.; τοῖσιν εὖ φρονοῦσι συμμαχεῖ τύχη 5th c.BC: Critias Philosophus, Tragicus, Elegiacus 21 ] Refs 5th c.BC+]; σ. ὥστε.. assist towards.., [[ 5th c.BC: Herodotus Historicus 1.98:] Refs 5th c.BC+] — middle, perfect participle συμμεμαχημένος in active sense, [[ 2nd c.AD: Lucianus Sophista “Tyr.” 7 ] Refs 2nd c.AD+]:—passive, συμμαχοῦμαι ὑπό τινος [[ [prev. author] “Cal.” 22. Cf.συμμάχομαι. ] Refs]