Lexical Definition

‎ἐνδυναμόω‎ endynamóō (en-doo-nam-o'-o) to strengthen G:V
from ‎ἐν‎ and ‎δυναμόω‎

enable, (increase in) strength(-en), be (make) strong.

Usage: 8 forms in 8 verses
Form Translated As     In Verse(s)
ἐνεδυναμώθη was strengthened Rom.4.20
ἐνεδυναμοῦτο was empowered Acts.9.22
ἐνεδυνάμωσέν He strengthened 2Tim.4.17
ἐνδυναμώσαντί having strengthened 1Tim.1.12
ἐνδυναμοῦσθε do be empowered Eph.6.10
ἐνδυναμοῦντί strengthening Phil.4.13
ἐνδυναμοῦ do be strong 2Tim.2.1
ενεδυνάμωσε empowered LXX.Judg.6.34

Abbott-Smith

ἐν-δυναμόω, -ῶ [in LXX: Jg 6:34, I Ch 12:18* A (לָבַשׁ), Ps 52:7* (עָזַז)* ;]
to make strong, strengthen: c. acc, pers., Phl 4:13, I Ti 1:12, II Ti 4:17. Pass., Ac 9:22; c. dat., Ro 4:20; seq. ἐν, II Ti 2:1 (ἐν Κυρίῳ), Eph 6:10 (Cremer, 221).†

Abbott-Smith References

Book Refs
Judges 6:34
1 Chronicles 12:18*
Psalms 52:7*
Acts 9:22
Romans 4:20
Ephesians 6:10
Philippians 4:13
1 Timothy 1:12
2 Timothy 2:1 · 4:17

Liddell-Scott-Jones

ἐνδυναμόω-όω,

strengthen, confirm, [LXX+NT]:—passive, ἐπὶ τῇ ματαιότητι [LXX]; τῇ πίστει [NT]

__II endow with vitality, in passive, metaphorically of scientific theorems, [Refs 3rd c.AD+]

LSJ Scripture Refs: LXX.Josh.6.34 ☩ 1Tim.1.12LXX.Ps.51.9*Rom.4.20