δυσεκπόνητος
From LSJ
Λεύσσετε, Θήβης οἱ κοιρανίδαι τὴν βασιλειδᾶν μούνην λοιπήν, οἷα πρὸς οἵων ἀνδρῶν πάσχω → See, you leaders of Thebes, what sorts of things I, its last princess, suffer at the hands of such men
English (LSJ)
ον, τιμωρίας καὶ πόνους δυς[εκπο] νήτους
A hard to endure, Phld.Herc.1251.12 (dub. rest.).