Ἐχθροῦ παρ' ἀνδρὸς οὐδέν ἐστι χρήσιμον → Inimicus homo nil umquam praestat utile → Von einem Feind kommt niemals etwas Nützliches
probably from יָכֹל (in the sense of capacity); a large public building, such as a palace or temple: palace, temple.