Quick Definition
I have less, lack
Strong's Definition
to diminish, i.e. fall short
Derivation: from G1640 (ἐλάσσων);
KJV Usage: have lack
Thayer's Greek Lexicon
ἐλαττονέω (Buttmann, 7), ἐλαττόνω: 1 aorist ἠλαττόνησα; (ἔλαττον); not found in secular authors (yet see Aristotle, de plant. 2, 3, p. 825a, 23); to be less, inferior (in possessions): 2Co_8:15 from Exo_16:18. (Pro_11:24; Sir_19:6 (Sir_19:5); also transitively, to make less, diminish: Gen_8:3; Pro_14:34; 2Ma_13:19, etc.)
Mounce Concise Greek Dictionary
ἐλαττονέω elattoneō 1x
trans. to make less; intrans. to be less, inferior; to have too little, want, lack, 2Co_8:15
Abbott-Smith Greek Lexicon
† ἐλαττονέω , -ῶ
( < ἔλαττον ),
[in LXX (with -όω ) chiefly for H2637 ;]
to be less ( RV , had no lack): 2Co_8:15 ( LXX ) (a rare word; cf. MM , Exp., xii).†
Moulton & Milligan — Vocabulary of the Greek NT
ἐλαττονέω [page 201]
Grimm s statement that this NT ἅπ . εἰρ . ( 2Co_8:15 from LXX Exo_16:18 ) is not found in prof. auth. requires correction, in view not only of Aristot. de plant. 2, 3 p. 825 a , 23 (as Thayer), but of P Magd 26 .12 (B.C. 217) ἐπαναγκάσαι αὐτὸν ἀπο̣δ̣ο̣υ̣̑να̣ι̣ . . .. τὸ διάφορον τῶν ἐλαττονούντων ιδ̄ κεραμίων , cf. .9 , and the illiterate BGU IV. 1195 .19 ( c. B.C. 10) ἐλατωνῖ , apparently = ἐλαττονεῖ .
STEPBible — Tyndale Abridged Greek Lexicon
ἐλαττονέω, -ῶ
(ἔλαττον), [in LXX (with -όω) chiefly for חָסֵר ;]
to be less (RV, had no lack): 2Co.8:15 (LXX) (a rare word; cf. MM, Exp., xii).†
(AS)