πρόσσοθεν
From LSJ
τὴν οἴησιν ἔλεγε προκοπῆς ἐγκοπήν → he used to say, Opinion forming is the stoppage of progress
English (LSJ)
Adv., Ep. for πρόσθεν, read by Aristarch. in Il.23.533.
German (Pape)
[Seite 780] poet. = πρόσωθεν, von weitem her; aber ἐλαύνων πρόσσοθεν ἵππους, Il. 23, 533, die Pferde vorwärts treibend, nehmen einige Erklärer für gedehnte Form von πρόσθεν.
Greek (Liddell-Scott)
πρόσσοθεν: Ἐπίρρ. ἀντὶ τοῦ πρόσθεν, Ἰλ. Ψ. 533.