ἀμβατός
From LSJ
οὐκ ἔστιν οὐδείς, οὐδ' ὁ Μυσῶν ἔσχατος → there is nobody, not even the last of the Mysians | there is nobody, not even the meanest of mankind
v. ἀναβατός.
ἀμβᾰτός
1 to be climbed, accessible met., ὁ χάλκεος οὐρανὸς οὔ ποτ' ἀμβατὸς αὐτῷ (P. 10.27)