δυσεκπόνητος
From LSJ
ἐπεὰν νῶτον ὑὸς δελεάσῃ περὶ ἄγκιστρον, μετιεῖ ἐς μέσον τὸν ποταμόν, ὁ κροκόδειλος ἵεται κατὰ τὴν φωνήν, ἐντυχὼν δὲ τῷ νώτῳ καταπίνει → when he has baited a hog's back onto a hook, he throws it into the middle of the river, ... the crocodile lunges toward the voice of a squealing piglet, and having come upon the hogback, swallows it
English (LSJ)
ον, τιμωρίας καὶ πόνους δυς[εκπο] νήτους
A hard to endure, Phld.Herc.1251.12 (dub. rest.).
Spanish (DGE)
-ον difícil de soportar πόνοι Phld.Elect.12.8.