2. that with which one steps, the foot: Acts 3:7 (Plato, Tim., p. 92{a}, et al.; Wis. 13:18).
Englishman's Concordance (References)
Strong's Greek: 939. βάσις (basis) — 1 Occurrence
Acts 3:7 - N-NFP GRK:ἐστερεώθησαν αἱ βάσεις αὐτοῦ καὶ NAS: him up; and immediately his feet and his ankles KJV: immediately his feet and ankle bones INT: were strengthened the feet him and