προεμπίπτω
From LSJ
διὰ λαμπροτάτου βαίνοντες ἁβρῶς αἰθέρος → passing lightly through clear-shining air (Euripides, Medea 829)
English (LSJ)
A fall on or into before, ἡ βολὴ π. τῷ ὕδατι Hld.9.5; attack first, Ael.Tact.37.6; take the first step, εἰς γνῶσιν D.L.4.39. 2 protrude into, c. dat., Gal.UP 7.7; προεμπίπτει τὰ χείλη, of a bear trying to bite a net, Plu.2.918f.
German (Pape)
[Seite 719] (s. πίπτω), vorher hineinfallen, hineingerathen, Plut. de prim. fr. 7, l. d.