ἄμβασε

ἄμβασε, Dor. for ἀνέβησε: ἄμβασις, ἀμβάτης, ἄμβατος, poet. for ἀναβ‐: ἀμβᾶτε, Dor. for ἀναβῆτε.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project