Lexical Definition

‎ἐντρέφω‎ entréphō (en-tref'-o) be reared ^G:V
from ‎ἐν‎ and ‎τρέφω‎

nourish up in.

• (figuratively) to educate

Abbott-Smith

* ἐν-τρέφω
to train up, nurture; pass., metaph., τοῖς λόγοις τ. πίστεως, I Ti 4:6.†

Abbott-Smith References

Liddell-Scott-Jones

ἐντρέφω,

poetry ἐνιτ-, ={τρέφω ἐν}, bring up or train in, τέκνα [Refs 5th c.BC+]:—middle, φυτὰ ἐνθρέψασθαι [Refs 8th c.BC+] —passive, to be raised or bred in, γυμνάσια οἷσιν ἐνετράφην [Refs 5th c.BC+]; ποιήμασι, ἤθει, [NT+1st c.AD+]

_{LSJ Scripture Refs: 1Tim.4.6}