εκ 1537 PREP τουτου 5127 D-GSM πολλοι 4183 A-NPM απηλθον 565 5627 V-2AAI-3P των 3588 T-GPM μαθητων 3101 N-GPM αυτου 846 P-GSM εις 1519 PREP τα 3588 T-APN οπισω 3694 ADV και 2532 CONJ ουκετι 3765 ADV μετ 3326 PREP αυτου 846 P-GSM περιεπατουν 4043 5707 V-IAI-3P
Vincent's NT Word Studies
66. From that time (ek toutou). Render, as Rev., upon this. As a result proceeding out of (ek) this. Compare xix. 12.Went back (aphlqon eiv ta opisw). The Greek expresses more than the English. They went away (apo) from Christ, Literally, to the things behind, to what they had left in order to follow the Lord.
Walked (periepatoun). Literally, walked about, with Jesus in His wanderings here and there.