ἐκπολεμεῖν
From LSJ
Ἰὸς πέφυκεν ἀσπίδος κακὴ γυνή → Ipsum venenum aspidis mulier mala → Das reinste Natterngift ist eine schlechte Frau
Lexicon Thucydideum
bello petere, bellum inferre, to attack in war, make war on, 6.91.5,
PASS. hostis fieri, to become an enemy, 8.57.1, [Vat. Bekk. Goell. Did. Vatican Bekker Goeller Dindorf edition ἐκπεπολεμῶσθαι].