ἀνιάτρευτος
From LSJ
προγράψαντες οὖν τά τε θεωρήματα καὶ τὰ ἐπιτάγματα τὰ χρεῖαν ἔχοντα εἰς τὰς ἀποδείξιας αὐτῶν μετὰ ταῦτα γραψοῦμές τοι τὰ προκείμενα → having therefore written at the beginning the theorems and the postulates that are necessary for their proofs, we will then write out for you the propositions
English (LSJ)
ον, = foreg., Suid.
A s.v. βρύω.
Greek (Liddell-Scott)
ἀνιάτρευτος: -ον, = τῷ προηγ., Σουΐδ. ἐν λ. βρύει.