ἀκατάμαχος
From LSJ
τὸν ἰητρὸν δοκέει μοι ἄριστον εἶναι πρόνοιαν ἐπιτηδεύειν → it appears to me a most excellent thing for the physician to cultivate prognosis
Greek (Liddell-Scott)
ἀκατάμαχος: -ον, = τῷ προηγ., Εὐσέβ. Εὐαγγ. Ἀποδ. 424D.
Spanish (DGE)
-ον inexpugnable, δύναμις Eus.DE 9.3.
German (Pape)
unbekämpfbar, Sp.