{"era":"current","word":"membership","meaning":"state of being a member of a group","children":[{"era":"1400s","word":"member-ship","meaning":"the state of being a member","children":[{"era":"1200s","word":"member","meaning":"limb, body part, person in a group","children":[{"era":"classical","word":"membrum","meaning":"limb, member of the body","children":[],"language":"Latin"}],"language":"Middle English"}],"language":"Middle English"}],"language":"Modern English"}