Through the same chain of transmission, from al-Husayn ibn Saʿid, from Fadalah, from Hammad ibn ʿUthman, from Ali ibn Abi al-Mughirah, from Maysarah: Abu Jaʿfar عليه السلام said: "Ablution (Wuduʾ) is (performed by washing) once for each part," and he described the ankle (Kaʿb) as being on the top of the foot.