the heel (figuratively) Derivation: of uncertain derivation;
KJV Usage: heel.
TBESG:
πτέρνα
heel
G:N-F
πτέρνα, -ης, ἡ [in LXX for עָקֵב ;] the heel: fig., ἐπαίρειν τὴν π. ἐπί, Jhn.13:18 (LXX).† (AS)
Thayer:
1) the heel (of the foot) 2) to lift up the heel against one 2a) to injure one by trickery (figure borrowed either from kicking, or from a wrestler tripping up his antagonist)
πτέρνα
pterna
pter'-nah
Of uncertain derivation; the heel (figuratively)