ΔιοτρεφήςDiotrephḗs

as proper name, Diotrephes: 3 John 1:9.

Greek (New Testament) · G1361

Same root

ΖεύςZeús · G2203in the oblique cases there is used instead of it a (probably cognate) name , which is otherwise obsolete; Zeus or Dis (among the Latins, Jupiter or Jove), the supreme deity of the Greeks
τρέφωtréphō · G5142but perhaps strengthened from the base of G5157 (τροπή) through the idea of convolution); properly, to stiffen, i.e. fatten (by implication, to cherish (with food, etc.), pamper, rear)

Where it appears

Appears 1 times in the Bible.

3 John 1:9 I wrote to the church about this, but Diotrephes, who loves to be the leader, refuses to have anything to do with us.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.