"of or pertaining to percussion," 1735, from Latin percuss-, past-participle stem of percutere "to strike hard" (see percussion) + -ive. It was used earlier as a noun, "a repercussive medicine" (late 14c.).
percussive music
percolation
percolator
percuss
percussion
percussionist
percussive
percutaneous
Percy
perdition
perdurable
*pere-