ἀναμάχεσθαι

From LSJ

ἀγεωμέτρητος μηδεὶς εἰσίτω → no one ignorant of geometry may enter, let no one ignorant of geometry enter, let no one ignorant of geometry come in

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἀναμάχομαι): fight again, renew the fight

Lexicon Thucydideum

proelium instaurare, to renew the battle, 7.61.3.