Extended Strong's Greek Lexicon (Abbott-Smith based)
to go away
Usage: ἀπέρχομαι, [in LXX chiefly for הלךְ ;] __1. to go away, depart (also, in late writers, with "perfective" force, to arrive at a destination, the thought being carried on to the goal; M, Pr., 111f., 247; MM, see word); __(a) absol.: Mat.13:25, al.; ptcp., ἀπελθών, used pleonastically with other verbs as in Heb. (Dalman, Words, 21), Mat.13:28, al.; __(b) with mention of place or person: εἰς, Mat.14:15; ἐπί, Luk.24:24; πρός, Rev.10:9; ἀπό, Luk.1:38; ἐξω, Act.4:15; ἐκεῖ, Mat.2:22. __2.
As in LXX, before ὀπίσω, with genitive (Heb. הָלַךְ אַחֲרֵי), to go after, follow: Mrk.1:20, Jhn.12:19; metaphorically, Mrk.1:42, Rev.21:1. (AS)