κατὰ κράτος
From LSJ
κρῖναι δὲ λόγῳ πολύδηριν ἔλεγχον ἐξ ἐμέθεν ῥηθέντα → judge by reason the too much contested argument which has been given by me
Greek > English (Woodhouse)
by force of arms, by might and main, with all one's force, with might and main