c. 1400, from Old French prepuce, from Latin praeputium "foreskin," possibly from prae "before" (see pre-) + *putos "penis." Earlier in English as prepucy (late 14c.), directly from Latin.
preprint
preprocess
preprogram
prepubescent
prepublication
prepuce
prequel
Pre-Raphaelite
pre-record
prerecord
pre-registration