καταστύφελος
From LSJ
τά γε μὰν λίνα πάντα λελοίπει ἐκ Μοιρᾶν → but all the thread granted him by the Fates had run out
English (LSJ)
[ῠ], ον,
A very hard or rugged, πέτρη, χῶρος, h.Merc. 124, Hes.Th.806.
German (Pape)
[Seite 1383] sehr hart, fest, πέτρη, χῶρος, H. h. Herc. 124 Hes. Th. 806.