mid-15c., perpetracioun, "act of perpetrating; that which is perpetrated," from Late Latin perpetrationem (nominative perpetratio) "an accomplishing, performing," noun of action from past participle stem of perpetrare "to perform, accomplish" (see perpetrate).
peroxide
perp
perpendicular
perpensity
perpetrate
perpetration
perpetrator
perpetual
perpetuate
perpetuation
perpetuity