Lexical Definition

‎ἐλαττόω‎ elattóō (el-at-to'-o) to make less ^G:V
from ‎ἐλάσσων‎

decrease, make lower.

• to lessen (in rank or influence)

Abbott-Smith

ἐλαττόω, -ῶ (< ἐλάιττων), [in LXX (where also -σσῶ) chiefly for חָסֵר, and very freq. in Si;]
to make less: He 2:7 (LXX); pass., Jo 3:30, He 2:9.†

Abbott-Smith References

Liddell-Scott-Jones

ἐλαττόω-όω,

Attic dialect ἐλαττόω: aorist ἠλάττωσα [Refs 5th c.BC+]: perfect ἠλλάττωκα [Refs 1st c.BC+]:—passive, future -ωθήσομαι[Refs 5th c.BC+]: future middle in same sense, [Refs 5th c.BC+]aorist ἠλασσώθην, -ττώθην, [Refs 4th c.BC+]: perfect ἠλάττωμαι [Refs 4th c.BC+]:—make less or smaller, diminish, reduce in amount, [Refs 2nd c.BC+]:—passive, [Refs 2nd c.AD+]

__2 in early writers, lower, degrade, τὴν πόλιν [LXX+5th c.BC+]; cut down, shorten, συναλοιφαῖς τὰ ῥήματα [Refs 1st c.BC+]: with genitive, detract from, μὴ προστιθέναι τιμήν, ἀλλὰ μὴ ἐλαττόωοῦν τῆς ὑπαρχούσης [Refs 5th c.BC+]:—middle, reduce the power of, τινάς [Refs 2nd c.BC+]
__II passive,
__II.1 absolutely, to be lessened, suffer loss, be depreciated, of things, [Refs 5th c.BC+]; of persons, [NT+4th c.BC+]; also, take less than one's due, waive one's rights or privileges, [Refs 5th c.BC+]; but, fall short of one's professions, act dishonestly, [Refs 5th c.BC+]
__II.2 with dative of things, have the worst of it, [Refs 5th c.BC+]; to be inferior, τῇ ἐμπειρίᾳ [Refs 5th c.BC+]; ἠλαττωμένος τοῖς ὄμμασι, of a one-eyed man, [Refs 2nd c.BC+]: with genitive, fall short of, τῶν ἀρχετύπων [Refs 1st c.AD+]
__II.3 with genitive person, to be at a disadvantage with a person, πολλὰ μὲν οὖν ἔγωγ᾽ ἐλαττοῦμαι κατὰ τουτονὶ τὸν ἀγῶν᾽ Αἰσχίνου [Refs 5th c.BC+]
__II.4 with genitive of things, suffer loss in respect of, κεφαλαίου, τόκων, [Refs 2nd c.AD+]; to be in want of, [LXX]

_{LSJ Scripture Refs: LXX.Ps.8.6* ☩ John.3.30 ☩ LXX.1Kgs.21.15* ☩ LXX.2Kgs.3.29}