κατασπέρχω
From LSJ
ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
English (LSJ)
A urge on, λῃστὰς δορί with a spear, Ar.Ach.1188; ἐλάτῃσι νῆα Opp.H.4.91; ὁ ἄνεμος ἰσχυρῶς -έσπερχε drove [them] on, D.C.41.46; κατασπέρχον, of circumstances, urgent, pressing, Th.4.126:—Pass., to be driven on, J.BJ4.2.4.
German (Pape)
[Seite 1380] beschleunigen, antreiben; λῃστὰς ἐλαύνων καὶ κατασπέρχων δορί Ar. Ach. 1188; Thuc. 4, 126 u. Sp., wie Nic. Th. 917; ὁ ἄνεμος ἰσχυρῶς κατέσπερχε D. Cass. 41, 46.