ἐπαμβατήρ
From LSJ
τὸ ἀγαθὸν αἱρετόν· τὸ δ' αἱρετὸν ἀρεστόν· τὸ δ' ἀρεστὸν ἐπαινετόν· τὸ δ' ἐπαινετὸν καλόν → what is good is chosen, what is chosen is approved, what is approved is admired, what is admired is beautiful
English (LSJ)
ῆρος, ὁ, poet. for Επαναβάτης,
A one who mounts upon, assailant: metaph., νόσοι σαρκῶν ἐπαμβατῆρες, of leprous eruptions, A.Ch.280.
German (Pape)
[Seite 898] ῆρος, ὁ, poet. für ἐπαναβ., der Hinaufsteigende, Daraufsitzende, σαρκῶν – λιχῆνες Aesch. Ch. 278.