Impart (μεταδω). Second aorist active subjunctive of μεταδιδωμ, to share with one. See on Luke 3:11; 1. Thessalonians 2:8.

To the end ye may be established (εις το στηριχθηνα υμας). Final clause (common in Paul) with εις το and the first aorist passive infinitive of στηριζω for which verb see on Luke 22:32; 1. Thessalonians 3:3; 1. Thessalonians 3:13.