Abbott-Smith Manual Greek Lexicon
καρτερέω (G2594)
1 καρτερέω , -ῶ , [in LXX: Jb 2:9 ( חזק hi.), Is 42:14 ( פּעה ), Si 2:2 12:15 , II, IV Mac 7 *;] to be steadfast , patient : He 11:27 (cf. προσ-καρτερέω ).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain