Lexical Definition

‎διδάσκω‎ didáskō (did-as'-ko) to teach ^G:V
a prolonged (causative) form of a primary verb (to learn)

teach.

• to teach (in the same broad application)

Abbott-Smith

διδάσκω [in LXX chiefly for למד pi., also for ידע hi., ירה hi., etc. ;]
to teach (i.e. instruct) a person, teach a thing;
1. trans.: c. acc. pers., Mt 5:2, Mk 1:22, al.; seq. ὅτι, Mk 8:31; περί, I Jo 2:27; c. inf., Lk 11:1; c. acc. rei, Mk 6:30 12:14; c. cogn. acc., Mt 15:9 (LXX); c. dupl. acc, Mk 4:2, Jo 14:26; pass., Ga 1:12, II Th 2:15; c. dat. pers. (like Heb., cf. Jb 21:22, but prob. a vernac. usage, v. Swete, in l.), Re 2:14.
2. Absol., to teach, give instruction: Mt 4:23, Mk 1:21, and often in Gosp., Ro 12:7, I Co 4:17, I Ti 2:12, al.
SYN.: παιδεύω (cf. Westc., Heb., 402; Cremer, 180).

Abbott-Smith References

Liddell-Scott-Jones

διδάσκω,

Epic dialect infinitive -έμεναι and -έμεν, [Refs 8th c.BC+]: future διδάξω [Refs 4th c.BC+]: aorist ἐδίδαξα [Refs 8th c.BC+]: perfect δεδίδαχα [Refs 5th c.BC+] —middle, future διδάξομαι: aorist ἐδιδαξάμην:—passive, future διδαχθήσομαι [Refs 1st c.BC+]: aorist ἐδιδάχθην [Refs 6th c.BC+]: perfect δεδίδαγμαι [Refs 8th c.BC+] in causal sense:—instruct a person, or teach a thing, [Refs 8th c.BC+] they taught thee riding,[Refs 8th c.BC+]infinitive, σε διδάσκουσιν θεοὶ αὐτοὶ ὑψαγόρην ἔμεναι teach thee to be.., [Refs 8th c.BC+]infinitive only, δίδαξε γὰρ Ἄρτεμις αὐτὴ βάλλειν ἄγρια πάντα she taught how to shoot, [Refs 8th c.BC+]: without infinitive, πολλοὶ τοὺς υἱοὺς ῥήτορας διδάσκουσιν [Refs 5th c.BC+]: with an abstract subject, πολυμαθίη νόον οὐ διδάσκει [Refs 1st c.AD+]:—middle, teach oneself, learn, φθέγμα καὶ ἀστυνόμους ὀργὰς ἐδιδάξατο [Refs 5th c.BC+]; but usually, have one taught or educated, especially of a father, τὰ ἄλλα.. διδάσκεσθαι τοὺς ὑεῖς [Refs 5th c.BC+]: with infinitive, δ. τινὰ ἱππεύειν [Refs 5th c.BC+] (this distinction between active and middle was neglected by some Poets and late Prose writers, middle being used like active in [Refs 5th c.BC+]: middle is used of gods, [θεοί].. ὅπλων χρῆσιν διδαξάμενοι [Refs]:—passive, to be taught, learn, with genitive, διδασκόμενος πολέμοιο trained, skilled in war, [Refs 8th c.BC+] which [medicines] they say thou wert taught by Achilles,[Refs 5th c.BC+]: frequently with infinitive, δεδιδαγμένον εἶναι χειροήθεα [Refs 5th c.BC+]; διδάσκεσθαι ὡς.. [Refs 5th c.BC+]

__2 with genitive, indicate, give sign of, χειμῶνος συναγειρομένοιο [Refs 4th c.BC+]
__II absolutely, explain, πῶς δ; δίδαξον [Refs 5th c.BC+]; show by argument, prove, λέγων διδασκέτω [Refs 5th c.BC+]; δ. περί τινος ὡς.. [Refs 5th c.BC+]; ποιητὴς δ. ὅτι.. [Refs 4th c.AD+]
__III of dithyrambic and dramatic Poets [Refs] produce a piece, [Refs 5th c.BC+] —middle, διδάξασθαι χορόν train one's own chorus, [Refs 4th c.BC+]