ἀνεπίβατος
From LSJ
ἄπαγ' ἐς μακαρίαν ἐκποδών → get lost, buzz off, on yer bike, bug off, bugger off, clear out, clear off, take a hike, beat it, scram, get out of here, get outta here
English (LSJ)
ον,
A not to be climbed, γυμνῷ ποδί Str. 12.3.11; inaccessible, Plu.2.228b.
German (Pape)
[Seite 224] unzugänglich, ἀνεπίβατον ποιεῖν τι, den Zugang zu etwas versperren, Plut. u. D. Sic.