Strong's #4974: sphuron (pronounced sfoo-ron')
neuter of a presumed derivative probably of the same as sphaira (a ball, "sphere"; compare the feminine sphura, a hammer); the ankle (as globular):--ancle bone.
Thayer's Greek Lexicon:
́
sphuron
1) the ankle
Part of Speech: noun neuter
Relation: from a presumed derivative probably of the same as sphaira (a ball, "sphere" , compare the feminine sphura, a hammer)
Usage:
This word is used 1 times:
Acts 3:7: "his feet and ankle bones received strength."