Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
απεπήδησεν leaped LXX.Ezek.19.3
απεπήδησαν they leaped back LXX.Hos.7.13

Liddell-Scott-Jones

ἀποπηδάω (apopēdaō) to leap back G:V

ἀποπηδάω-άω,

leap off, especially of riders, dismount, [Refs 1st c.AD+]

__II start off from, turn away from, ἀπό τινος[Refs 5th c.BC+]; . ἀπὸ τῆς φύσιος from its natural position, of a joint, [Refs]; metaphorically, ἀπὸ τοῦ λόγου[Refs 5th c.BC+]: absolutely, leap off, [Refs 5th c.BC+]; stalk off, οἴχεται ἀποπηδάωήσας πρὸς ἄλλον[Refs 6th c.AD+]
__II.2 rebound, [Refs 4th c.BC+]