ἀμάχητος
From LSJ
Περὶ τῶν Ἱπποκράτους καὶ Πλάτωνος δογμάτων → On the Doctrines of Hippocrates and Plato
English (LSJ)
ον,
A not to be fought with, unconquerable, S.Ph.198 (lyr.). II not having fought, not having been in battle, X.Cyr.6.4.14; ἀ. ὄλεθρος destruction without fighting, Lys.Fr.71.