per·cuss 
(pər-kŭs)
(pər-kŭs)tr.v. per·cussed, per·cuss·ing, per·cuss·es
To strike or tap firmly, as in medical percussion: The doctor percussed the patient's chest.
[Latin percutere, percuss-, to strike hard : per-, per- + quatere, to strike; see kwēt- in the Appendix of Indo-European roots.]