Lexical Definition

‎βλάπτω‎ bláptō (blap'-to) to hurt ^G:V
a primary verb

hurt.

• properly, to hinder, i.e. (by implication) to injure

Abbott-Smith

βλάπτω, [in LXX: Pr 25:20, To 12:2, Wi 10:8 18:2, II Mac 12:22, IV Mac 9:7* ;]
to hurt, injure: c. acc., [18](/btb/interlinear/41%20-%20Mark/16/Mark.16.18.html)], Lk 4:35.†

Abbott-Smith References

Liddell-Scott-Jones

βλάπτω,

future -ψω[Refs 5th c.BC+]aorist ἔβλαψα, Epic dialect βλάψε [Refs 8th c.BC+]: aorist 2 ἔβλᾰβον [Refs 4th c.AD+]: perfect βέβλᾰφα [Refs 4th c.BC+]:—passive, future βλᾰβήσομαι [Refs 5th c.BC+]future middle βλάψομαι (in passive signification) [Refs 5th c.BC+]: aorist 1 ἐβλά-φθην [Refs 8th c.BC+]aorist 2 ἐβλάβην [ᾰ], 3rd.pers. plural ἔβλαβεν, βλάβεν, [Refs], participle βλᾰβείς Refs 4th c.BC+

__2 with genitive, hinder from, τόν γε θεοὶ βλάπτουσι κελεύθου [Refs 8th c.BC+] —passive,βλαβέντα λοισθίων δρόμων arrested in its last course, [Refs 4th c.BC+]
__II of the mind, distract, pervert, mislead, of the gods, τὸν δέ τις ἀθανάτων βλάψε φρένας [Refs 8th c.BC+]; so of Ate, φθάνει δέ τε πᾶσαν ἐπ᾽ αἶαν βλάπτουσ᾽ ἀνθρώπους [Refs 8th c.BC+]; also of wine, [Refs 8th c.BC+]; βλαφθείς, Latin mente captus, [Refs 8th c.BC+]
__III after [Refs 8th c.BC+], damage, hurt, οἷσι μὴ βλάψῃ θεός (i.e. τὰ τέκνα) [Refs 4th c.BC+]: with neuter adjective, πλείω β. τινά [Refs 5th c.BC+]:—passive, μεγάλα βεβλάφθαι [Refs 2nd c.AD+] do greater mischiefs to.., [Refs 3rd c.BC+] rob her of.., [Refs 2nd c.AD+] —passive, τοσούσδε βλαβῆναι τὴν πόλιν lose them, [Refs]; τὸ βλαβέν, ={βλάβη}, [Refs 5th c.BC+]
__III.2 with accusative of things, β. λόγον mar the prophecy, [Refs 5th c.BC+]; τοὺς ὅρκους violate them, [Refs 4th c.BC+]. (βλαπ-μλαπ- (mḷq[uglide]), cf. Sanskrit marcáyati 'injure', mṛktás 'wounded', Latin mulco 'maltreat'.)