Abbott-Smith Manual Greek Lexicon
σφυδρόν (G4974)
1 *† σφυδρόν , -οῦ, τό = σφυρόν , the ankle : Ac 3:7 (v. Bl., § 6, 8).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain
Strong's G4974 · Greek
σφυδρόν
sphuron · 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)