Quick Definition
προέπω v. I say previously, predict
Strong's Definition
to say already, to predict
Derivation: from G4253 (πρό) and G2036 (ἔπω);
KJV Usage: forewarn, say (speak, tell) before
Thayer's Greek Lexicon
προ-λέγω ; impf. προέλεγον ; to say beforehand, to predict, (so fr. Aeschyl. and Hdt. down) : 2 Co. xiii. 2; Gal. ν. 21; 1 Th. iii. 4; [some (see R. V. mrg.) would give mpo- the sense of plainly in all these exx.; cf. L. and S. s. v. II. 2, and see πρό, ἃ. a. fin.].
Mounce Concise Greek Dictionary
προλέγω prolegō 15x
to tell beforehand, to foretell, Mt. 24:25; Acts 1:16; Rom. 9:29; 2 Cor. 13:2; Gal. 5:21; 1 Thess. 3:4
Abbott-Smith Greek Lexicon
** προ-εῖπον, 2 aor. from unused Pres. (v.s. εἶπον, and pf., -είρηκα (III Mac 6:35*), pass., -είρημαι (II Mac 2:32, III Mac 1:26, al.), to say before: Ga 1:9, I Th 4:6 (on the form -αμεν, v. WH, App., 164), He 4:7; seq. ὅτι, II Co 7:3 13:2, Ga 5:21; of prophecy, Mt 24:25, Mk 13:23, Ac 1:16, Ro 9:29, II Pe 3:2, Ju 17.
to proclaim publicly, declare openly or plainly (cl.): so R, mg., in II Co 13:2, Ga 5:21, I Th 4:6 (cf. προλέγω; but v. supr., and cf. M, Th., 38).†
Moulton & Milligan — Vocabulary of the Greek NT
προεῖπον. P Oxy VII. 1033! (A.D. 392) ὡς προείπαμεν, ‘as aforesaid” (Ed.), and the Christian letter of a slave to his master regarding the illness of his mistress—P Oxy VI. 9397° (iv/A.D.) ἔδοξεν μὲν yap ὡς προεῖπον ἀνεκτότερον ἐσχηκέναι ἀνακαθεσθεῖσα, ‘‘ for she seems, as I said before, to be in a more tolerable state, in that she has sat up” (cf. Lk γ15). Cf. from the inscrr. Sy// 239 (=*%543)88 (B.C. 214) τοῖς μέντοι κατηγορεῖν τούτων μέλλουσιν προείπατε, ὅπως μὴ φανῶσιν κτλ., and Kazbel 947'° καὶ [σεμνῶ]ν εἰμι} προφήτης ὧν γε προεῖπα θεῶν. See s.v. προλέγω.
Liddell-Scott-Jones — Greek-English Lexicon
προέπω (proepō) — to predict. προεῖπον (also -εῖπα[Refs 2nd c.BC+]aorist with no present in use, προλέγω and προαγορεύω being used, participle προειπών, infinitive προειπεῖν:— foretell, [Refs 5th c.BC+]; premise, τοῦτο προειπόντα ἐπειπεῖν τὰ ἔμπροσθεν [Refs 4th c.BC+]
II. proclaim or declare publicly, ἀλλήλοισι πόλεμον π. [Refs 5th c.BC+]; νικητήρια ταῖς τάξεσι[Refs 5th c.BC+]; π. τινὶ φόνου make proclamation of murder against him, [Refs 5th c.BC+]; ὀνυμάξει αὐτὸν προειπὼν τρῖς ἁμέρας giving notice of three days (within which he must answer the call), [Refs]; ἐν ἡμέραις πέντε ἀφ᾽ ἧς ἂν ἀλλήλοις προείπωσιν [Refs 1st c.AD+]
III. with infinitive, order or command before, πρό οἱ εἴπομεν.., μήτ᾽ αὐτὸν κτείνειν [Refs 8th c.BC+]: with accusative et infinitive, π. σῖτον ἐσάγειν τὸν βουλόμενον [Refs 5th c.BC+]; π. αὐτῷ δήσειν threatened him that.., [Refs 5th c.BC+]
III.2. enjoin, with accusative, π. Λυδοῖσι τὰ ὁ Κροῖσος ὑπετίθετο [Refs 5th c.BC+]