Lexical Definition

‎ἐνδύω‎ endýō (en-doo'-o) to put on ^G:V
from ‎ἐν‎ and ‎δύνω‎ (in the sense of sinking into a garment)

array, clothe (with), endue, have (put) on.

• to invest with clothing (literally or figuratively)

Abbott-Smith

ἐν-δύω (ἐνδύνω, II Ti 3:6), [in LXX chiefly for לָבַשׁ ;]
1. c. acc pers., Mt 27:28 (WH, mg., R, mg.); c. dupl. acc, Mt 27:31, Mk 15:20, Lk 15:22; mid., to put on oneself, be clothed with: c. acc rei, Mt 6:25, Mk 6:9, Lk 8:27 12:22, Ac 12:21; ptcp., Mt 22:11, Mk 1:6, II Co 5:3, Re 1:13 15:6 19:14; of armour (fig.): Ro 13:12, Eph 6:11, 14, I Th 5:8; metaph., δύναμιν, Lk 24:49; ἀφθαρσίαν, ἀθανασίαν, I Co 15:53-54; τ. καινὸν ἄνθρωπον, Eph 4:24, Col 3:10; σπλάγχνα οἰκτιρμοῦ, Col 3:12; Ἰησ. Χριστόν, Ro 13:14, Ga 3:27,
2. to enter, press into: II Ti 3:6 (cf. ἐπ-ενδύω).†

Abbott-Smith References

Liddell-Scott-Jones

ἐνδύω

or ἐνδύνω (ἐνδυνέω variant in [Refs 5th c.BC+], with middle ἐνδύομαι, future -δύσομαι: aorist 1 -εδυσάμη; Epic dialect aorist or imperfect -εδυσόμην: aorist 2 active -έδυν: perfect -δέδῡκα:

__I with accusative of things vel loci, go into,
__I.1 of clothes, put on, ἔνδυνε χιτῶνα [Refs 8th c.BC+]; τὴν σκευήν[Refs 5th c.BC+]perfect ἐνδέδῡκα, wear, κιθῶνας λινέους [Refs 5th c.BC+]:—middle, ἐν δ᾽ αὐτὸς ἐδύσετο χαλκόν [Refs 8th c.BC+]; ἐνδύεσθαι ὅπλα variant in [Refs 5th c.BC+]; also τὸν Ταρκύνιον ἐνδύεσθαι assume the person of T., [NT+1st c.BC+]:—passive, to be clothed in, have on, ἐσθῆτα ἐνδεδύσθαι [Refs 5th c.BC+]
__I.2 enter, press into, with accusative, ἐν δέ οἱ ἦτορ δῦν᾽ ἄχος ἄτλητον [Refs 8th c.BC+]; ἀκοντιστὺν ἐνδύσεαι thou wilt enter the contest [Refs 5th c.BC+]; also ἐ. εἰς.. [Refs 5th c.BC+]; εἰς τὴν ἐπιμέλειαν ἐνδῦναι enter upon it, undertake it, [Refs 5th c.BC+]: absolutely, enter, [Refs 5th c.BC+] insinuate oneself into their minds, [Refs 5th c.BC+]; ἐνὶ χροῒ δύετο ῥινὸς ἐντυπάς Epic.in[Refs]perfect passive, φυσικαῖς ἐνδεδυμένος αἰτίαις uncertain in [Refs 1st c.AD+]: absolutely, creep in, variant for{ἐσ-}, [Refs 5th c.BC+]slip through, [Refs 1st c.AD+]
__I.3 sink in, hence τρίβος ἐνδεδυκώς sunken path, [Refs]; ῥίς sunken nose, [Refs]
__II causal in present ἐνδύω, future -δύσω: aorist 1 -έδυσα:—put on another, clothe in, with double accusative, τὴν ἐξωμίδ᾽ ἐνδύσω σε [Refs 5th c.BC+]
__II.2 clothe, ἐνδύουσι τὤγαλμα [Refs 5th c.BC+]; σύ με ἐνδέδυκας [probably ῠ] [Refs 2nd c.AD+]

_{LSJ Scripture Refs: Eph.4.24}