καταίνεσις
From LSJ
γυναικόφρων γὰρ θυμὸς ἀνδρὸς οὐ σοφοῦ → it's an unwise man who shows a woman's spirit
English (LSJ)
εως, ἡ,
A betrothal, Plu.TG4.
German (Pape)
[Seite 1350] ἡ, das Versprechen, Zusage, sponsio; καταινέσεως οὕτω γενομένης Plut. Tib. Graech. 4.