As the living Father hath sent me, and I live by the Father: so he that eateth me, even he shall live by me.
As the living Father hath sent me х apesteilen (G649)] - 'sent Me,' to communicate His own life.
And live by the Father, х dia (G1223) ton (G3588) Patera (G3962)] - not 'through,' but 'by reason of the Father;' My life and His being one life, though Mine is that of Son, whose it is to be "of the Father" (see John 1:18; John 5:26).
So he that eateth me, even he shall live by me, х di' (G1223) eme (G1691)] - not 'through,' but 'by reason of Me.' So that though one spiritual life with Him, "the Head of every man is Christ, as the head of Christ is God." (1 Corinthians 11:3; 1 Corinthians 3:23.)