Strong’s Greek
G939 — basis
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
βάσις
basis — pronounced bas'-ece
from baino (to walk); a pace ("base"), i.e. (by implication) the foot:--foot.
1 occurrence in the KJV.
Acts 3:7
And he took him by the right hand, and lifted him up: and immediately his feet and ankle bones received strength.