Lexical Definition

‎νεόφυτος‎ neóphytos (neh-of'-oo-tos) new convert ^G:A
from ‎νέος‎ and a derivative of ‎φύω‎

novice.

• newly planted, i.e. (figuratively) a young convert ("neophyte")

Abbott-Smith

νεό-φυτος, -ον (< νέος, φύω), [in LXX: Jb 14:9, Ps 143 (144):12*, Is 5:7 (נֶטַע), Ps 127 (128):3* (שְׁתִיל)*;]
newly planted (LXX). Metaph., as subst., ὁ ν., a new convert, neophyte, novice: I Ti 3:6.†

Abbott-Smith References

Liddell-Scott-Jones

νεόφυτος-φῠτος, ον,

newly planted, [Refs 5th c.BC+]; κτῆμα [νεόφυτοςφυτα, τά, ">Refs 3rd c.AD+] young plants, [LXX+1st c.AD+]; νεώ- Papyrus), etc.

__II metaphorically, new convert, neophyte, [NT]

_{LSJ Scripture Refs: LXX.Ps.143.12* ☩ 1Tim.3.6}