Lexical Definition

‎φάσκω‎ pháskō (fas'-ko) to claim ^G:V
prolongation from the same as ‎φημί‎

affirm, profess, say.

• to assert

Abbott-Smith

φάσκω [in LXX: Ge 26:20 (אמר), Da LXX Bel :8, II Mac 14:27, 14:32, III Mac 3:7 * ;]
to affirm, assert: c. acc. et inf., Ac 24:9 25:19; c. inf. et nom., Ro 1:22.†

Abbott-Smith References

Liddell-Scott-Jones

φάσκω,

used by Epic dialect only in imperfect ἔφασκον [Refs 8th c.BC+]; Epic dialect φάσκον [Refs 8th c.BC+]: as imperfect of φημί [Refs 5th c.BC+]; subjunctive φάσκω [Refs 5th c.BC+]; optative φάσκοιμι [Refs 5th c.BC+]; infinitive φάσκειν [Refs 5th c.BC+]; participle φάσκων [Refs 5th c.BC+] (the only part of the Verb used in [Refs 5th c.BC+]:—passive is not found, ἐφάσκετ᾽ is for ἐφάσκετε [Refs 5th c.BC+]. Rare in present indicative [Refs 4th c.BC+]; φάσκουσι (ν) [Refs 4th c.BC+]; φάσκομεν is uncertain conjecture (for πάσχομεν) in [Refs 2nd c.AD+]:—say, affirm, assert, with accusative et infinitive, [Refs 8th c.BC+]; φάσκειν as imperative, in this construction, [Refs 5th c.BC+]; οὐ φασκόντων χρήσειν saying they would not.., [φάσκων ἀνεκτὸν εἶναι 5th c.BC: Thucydides Historicus 8.52 ">Refs 5th c.BC+]; the infinitive is frequently to be supplied, ἐν τῇδ᾽ ἔφασκε γῇ (i.e. εὑρεθήσεσθαι) [Refs 5th c.BC+]; φησίν γε· φάσκων δ᾽ (i.e. ἥξειν) [Refs]; τῶν φασκόντων γονέων (i.e. εἶναι) [Refs 5th c.BC+]; rarely φ. ὡς.., ὅτι.., [Refs 5th c.BC+]

__2 think, deem, expect, ὃ οὔ ποτ᾽ ἔγωγε τελευτήσεσθαι ἔφασκον [Refs 8th c.BC+]; φάσκειν.. ὁρᾶν believe that you see, [Refs 5th c.BC+]
__3 say, promise, with infinitive future, με.. ἔφασκε θήσειν ἀθάνατον [φάσκων προσποιήσειν αὐτήν 5th c.BC: Thucydides Historicus 2.85, compare 5th-6th c.BC: Plato Philosophus “Ion” 541e. ">Refs 8th c.BC+]