"infested with lice, lousy; pertaining to lice," 1540s, from Latin pediculosus, from pediculus "louse" (see pediculosis). Related: Pedicular "of or pertaining to a louse or lice" (1650s), from Latin pedicularis, from pediculus.
pediatrician
pediatrics
pedicel
pedicle
pediculosis
pediculous
pedicure
pedigree
pediment
pedo-
pedology