Lexical Definition

‎καρτερέω‎ karteréō (kar-ter-eh'-o) to endure G:V
from a derivative of ‎κράτος‎ (transposed)

endure.

Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
ἐκαρτέρησεν he persevered Heb.11.27
καρτερήσεισ will you persevere LXX.Job.2.9
εκαρτέρησα perseveres LXX.Isa.42.14

Abbott-Smith

καρτερέω, -ῶ, [in LXX: Jb 2:9 (חזק hi.), Is 42:14 (פּעה), Si 2:2 12:15, II, IV Mac7*;]
to be steadfast, patient: He 11:27 (cf. προσ-καρτερέω).†

Abbott-Smith References

Book Refs
Job 2:9
Isaiah 42:14
Hebrews 11:27

Liddell-Scott-Jones

καρτερέω-έω,

to be steadfast, patient, [καρτερέωεῖν 5th c.BC: Euripides Tragicus “Alcestis” 1078, compare 5th c.BC: Thucydides Historicus 7.64; κ. μάχῃ 5th c.BC: Euripides Tragicus “Heraclidae” 837; κ. ἐλπίδι τινός 5th c.BC: Thucydides Historicus 2.44: frequently with a \_preposition\_, κ. πρός τι">Refs 5th c.BC+] to hold up against a thing, e.g. πρὸς ἡδονάς τε καὶ λύπας [Refs 5th c.BC+]; κ. ἐν ταῖς ἡδοναῖς to be patient or temperate in.., [Refs]; κ. ἀπὸ τοῦ ὕπνου refrain therefrom, [Refs 2nd c.AD+]: with participle, persevere in doing, οἱ δ᾽ ἐκαρτέρουν πρὸς κῦμα λακτίζοντες [Refs 5th c.BC+]; also τὰ δείν᾽ ἐκαρτέρουν was strangely obdurate or obstinate, [Refs 5th c.BC+]: in later Prose meaning little more than wait, καρτέρει καὶ θεώρει wait and see, [LXX+2nd c.AD+]

__II with accusative of things, bear patiently, endure, τὰ δ᾽ ἀδύναθ᾽ ἡμῖν καρτερέωεῖν οὐ ῥᾴδιον [Refs 5th c.BC+] —passive, κεκαρτέρηται τἀμά my time for patience is over, [καρτερέωιάδδει· οὐ φρόνιμος εἶ, should probably be οὐ καρτερέωίδδει (\_Laconian dialect\_ for καρτερέωίζει). ">Refs 5th c.BC+]