Lexical Definition

‎θησαυρίζω‎ thēsaurízō (thay-sow-rid'-zo) to store up G:V
from ‎θησαυρός‎

lay up (treasure), (keep) in store, (heap) treasure (together, up).

Usage: 12 forms in 17 verses
Form Translated As     In Verse(s)
ἐθησαυρίσατε You have treasured up Jas.5.3
τεθησαυρισμένοι stored up 2Pet.3.7
θησαυρίζων treasuring up LXX.Mic.6.10Luke.12.211Cor.16.2
θησαυρίζουσιν treasure up LXX.Prov.1.18
θησαυρίζοντεσ treasuring up LXX.Amos.3.10
θησαυρίζετε do store up Matt.6.19Matt.6.20
θησαυρίζεται treasured up LXX.Prov.13.22
θησαυρίζεισ you are treasuring up Rom.2.5
θησαυρίζειν to treasure up 2Cor.12.14
θησαυρίζει He treasures up LXX.Ps.39.6LXX.Prov.2.7
treasures up LXX.Prov.16.27
εθησαύρισεν treasured up LXX.Zech.9.3
εθησαύρισαν treasured up LXX.2Kgs.20.17

Abbott-Smith

θησαυρίζω, [in LXX for צפן, etc.;]
to lay up, store up: of riches, Ja 5:3; id. c. dat. pers., Lk 12:21, II Co 12:14; c. acc. rei, I Co 16:2; θησαυροὺς ἑαυτῷ, Mt 6:19, 20; pass., II Pe 3:7; metaph., ὀργὴν ἑαντῷ, Ro 2:5 (cf. Pr 1:18, Pss. Sol 9:9).†

Abbott-Smith References

Book Refs
Proverbs 1:18
Matthew 6:19 · 6:20
Luke 12:21
Romans 2:5
1 Corinthians 16:2
2 Corinthians 12:14
James 5:3
2 Peter 3:7

Liddell-Scott-Jones

θησαυρίζω-ίζω,

store, treasure up, ἐν ἀσφαλείῃ τὰ χρήματα θ. [Refs 5th c.BC+].; θ. τὸν νεκρὸν ἐν οἰκήματι to lay it by, [Refs]; φάρμακα, σῖτα θ. παρ᾽ αὑτῷ, [Refs 5th c.BC+]; of fruits, lay up in store, preserve, pickle, [καυλοὺς] ἐν ἅλμῃ [Refs 4th c.BC+]; τὸ ἔλαιον θ. [τὰς ὀσμάς] preserves its smell, [Refs]:—passive, ῥὰξ εὖ τεθησαυρίζωισμένη [θησαυρίζωισμένη τῶν ἀρωμάτων ἀπόλαυσις 2nd c.BC: Agatharchides Geographus 97; τὸ θησαυρίζωισθέν “IG” 14.423 ii 37 (from Tauromenium). ">Refs 5th c.BC+]

__b absolutely, hoard, lay up treasure, [NT+1st c.BC+]
__2 metaphorically, θ. σεαυτῷ ὀργήν [θησαυρίζωοὺς ἐν οὐρανῷ NT.Matt.6.20 ">NT]; θ. εὐτυχίαν lay up a store of.. , [Refs 2nd c.AD+]:—middle, store up for oneself, ἑαυτῷ ὑπομνήματα [Refs 5th c.BC+]:—passive, τεθησαυρίζωισμένος κατά τινος φθόνος [Refs 1st c.BC+]; to be reserved, πυρί [NT]

LSJ Scripture Refs: Jas.5.3Luke.12.21Rom.2.5Matt.6.202Pet.3.7