προσανάβασις (prosanabasis)

a going up, ascent , κλίμακος προσαμβάσεις ascent by means of ladders, i. e. scaling ladders, (Aeschulus Tragicus); πρ. (Euripides); τειχέων πρ. a place where they may be approached , (Euripides); δωμάτων πρ. i. e. the steps leading to the house, (Euripides) (ML)