Lexical Definition

‎ἑτοιμασία‎ hetoimasía (het-oy-mas-ee'-ah) readiness G:N-F
from ‎ἑτοιμάζω‎

preparation.

Usage: 4 forms in 12 verses
Form Translated As     In Verse(s)
ἑτοιμασίᾳ readiness Eph.6.15
ετοιμασίασ his preparation LXX.Dan.11.7
of his preparation LXX.Nah.2.3
ετοιμασίαν his preparation LXX.Dan.11.20LXX.Dan.11.21
its preparation LXX.Ezra.2.68LXX.Ezra.3.3LXX.Ezek.43.11LXX.Zech.5.11
ετοιμασία preparation LXX.Ps.10.17LXX.Ps.65.9LXX.Ps.89.14

Abbott-Smith

ἑτοιμασία, -ας, ἡ (< ἑτοιμάζω, q.v.), [in LXX for כּוּן hi., כֵּן, מָכוֹן, and cognate forms, II Es 2:68 3:3, Ps 9:39 (10:17) 64 (65):9* 88 (89):14*, Na 2:3(4)*, Za 5:11, Ez 43:11, Da TH 11:7, 20, 21, Wi 13:12 * ;]
1. = ἑτοιμότης,
(a) readiness (Hipp.);
(b) preparation (LXX; e.g. ἑ. τ. καρδίας, Ps 9:39 (10:17)): Eph 6:15, EV.
2. foundation, firm footing (Ps 88 (89):14*): Eph, l.c. (Hatch, Essays, 55; Exp Times., ix, 38; but v. also Abbott, Essays, 95).†

Abbott-Smith References

Book Refs
Ezra 2:68 · 3:3
Psalms 10:17 · 65:9* · 89:14*
Ezekiel 43:11
Daniel 11:7 · 11:20 · 11:21
Nahum 2:4*
Zechariah 5:11
Ephesians 6:15

Liddell-Scott-Jones

ἑτοιμασία-ᾰσία, ,

readiness, πρὸς τὰς ὑπουργίας [Refs 5th c.BC+]; εἰς . ὑμῶν παρέχειν to place at your disposal, [Refs 1st c.AD+]

__II preparation, ἀρμένων [LXX+4th c.BC+]; τροφῆς[LXX]; equipment, ἐν -ασίᾳ εὐαγγελίου [NT]

LSJ Scripture Refs: LXX.Ps.9.38*Eph.6.15