Lexical Definition

‎πτέρνα‎ ptérna (pter'-nah) heel G:N-F
of uncertain derivation

heel.

Usage: 6 forms in 11 verses
Form Translated As     In Verse(s)
πτέρνησ at my heel LXX.Ps.49.5
heel LXX.Gen.25.26
πτέρνη with heel LXX.Jer.9.4
πτέρνασ your heels LXX.Jer.13.22
πτέρναν heel LXX.Gen.3.15 • LXX.Gen.49.17 • John.13.18
my heel LXX.Ps.56.6
πτέρναισ heels LXX.Song.1.8
your heels LXX.Josh.23.13
πτέρναι heels LXX.Judg.5.22

Abbott-Smith

πτέρνα, -ης, ἡ, [in LXX for עָקֵב;]
the heel: fig., ἐπαίρειν τὴν π. ἐπί, Jo 13:18(LXX).†

Abbott-Smith References

Book Refs
John 13:18

Liddell-Scott-Jones

πτέρνα

[Refs 5th c.BC+], later πτέρνᾰ [LXX+3rd c.BC+], ἡ, heel, [Refs 8th c.BC+]; under part of the heel, [Refs 4th c.BC+]; heel-bone, [Refs 4th c.BC+]

__2 hoof, [LXX]
__3 heel of a shoe, [Refs 3rd c.BC+]
__4 footstep, [LXX]
__II metaphorically, foot or lower part of anything, πύργων [Refs 3rd c.BC+]; of a mast, [Refs 2nd c.BC+] (but, waist of a ship, [Refs 2nd c.BC+]
__II.2 butt-end of the ἀγκών of a torsion-engine, [Refs 3rd c.BC+]; of a surgical machine, [Refs 4th c.AD+]
__III ham (mock Epicism formed from Latin perna), [Refs]; falsa lectio for{πέρνα} in [Refs 6th c.AD+]

LSJ Scripture Refs: LXX.Gen.3.15 ☩ LXX.Judg.5.22 ☩ LXX.Song.1.8