ἀνέκδυτος
From LSJ
Δυσαμένη δὲ κάρηνα βαθυκνήμιδος ἐρίπνης / Δελφικὸν ἄντρον ἔναιε φόβῳ λυσσώδεος Ἰνοῦς (Nonnus, Dionysiaca 9.273f.) → Having descended from the top of a deep-greaved cliff, she dwelt in a cave in Delphi, because of her fear of raving/raging Ino.
English (LSJ)
ον,
A not to be escaped from, to interpr. νήδυμος, Eust.1580.13.
German (Pape)
[Seite 221] wo man nicht herauskommen kann, Eust.