NET
19 Again and again they struck him on the head with a staff and spit on him. Then they knelt down and paid homage to him.
Darby
19 And they struck his head with a reed, and spat on him, and, bending the knee, did him homage.
KJV
19 And they smote him on the head with a reed, and did spit upon him, and bowing [their] knees worshipped him.