προπίπτω

A. fall or throw oneself forward, as in rowing, προπεσόντες ἔρεσσον Od. 9.490, 12.194; π. ἡ κοιλία εἰς τὸ στόμα Arist. HA 507a29; of suppliants, fall prostrate, E. Supp. 63 (lyr.); fall first, in battle, Plb. 1.58.8.
II. rush forward, rush headlong, ἐν νάπει S. OC 157(lyr.); ἐς γαῖαν Theoc. 24.113; burst forth, π. ἡ λίμνη Str. 16.2.44.
2. metaph., rush headlong, Hyp. Fr. 161; εἰς ἄκαιρον γέλωτα, εἰς κίνδυνον, D.S. 13.83, 20.88; to be precipitate, come to a hasty decision, OGI 315.56(Epist.Attali, ii B.C.): c. inf., π. πλημμελῆσαι M.Ant. 1.17: abs., form a hasty judgement, Stoic term, Chrysipp.Stoic. 2.291; π. πρὸ καταλήψεως Stoic. 3.147, cf. Arr. Epict. 2.1.10, etc.; make a slip of the tongue, κἂν‐πέσωσιν . . τάχιστα διορθοῦσθαι Phld. Rh. 1.186S.
III. move forwards, advance before the rest, Plb. 1.20.15; οἱ προπίπτοντες, opp. οἱ ἀναχωροῦντες, Id. 28.3.4; project, of a hill, προπεπτωκυῖα ὀφρύς Id. 7.17.1; of an animal's snout, ῥύγχη προπέπτωκε Str. 17.3.4; ‐πεπτωκότες τοῖς μετώποις Id. 11.11.8; τὸ προπῖπτον [τοῦ δόρατος] the projecting part, Ascl. Tact. 5.1: c. gen., project beyond, τὰ μέσα . . προπέπτωκε τῶν κεράτων Plb. 3.115.7, etc.; κλῖμαξ π. τῶν ἐμβόλων Id. 8.4.4; ἡ σάρισσα δέκα πήχεις π. πρὸ τῶν σωμάτων Id. 18.29.4; ἡ ἄκρα ἔξω τῶν στηλῶν π. Str. 2.5.33.
2. Medic., of prolapse, ἕδρα ‐πεσοῦσα Dsc. 2.164; μήτρα προπίπτει Sor. 2.84.
IV. metaph., occur, be presented to sense, Demetr.Lac. Herc. 1013.7; π. σημεῖα they appear, S.E. M. 8.219 (προσπ‐ Bekker): hence, to be obvious, ὅσα π. τῶν ἁμαρτημάτων Plu. 2.800b.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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