Abbott-Smith Manual Greek Lexicon
ἐλαττονέω (G1641)
1 † ἐλαττονέω , -ῶ ( ἔλαττον ), [in LXX (with -όω ) chiefly for חָסֵר ;] to be less (RV, had no lack ): II Co 8:15 (LXX) (a rare word; cf. MM, Exp. , xii).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain