c. 1300, from Old French reprover "accuse, blame" (12c.), from Late Latin reprobare "disapprove, reject, condemn," from Latin re- "opposite of, reversal of previous condition" (see re-) + probare "prove to be worthy" (see probate (n.)). Related: Reproved; reproving.
reproductible
reproduction
reproductive
reprogram
reproof
reprove
reptile
Reptilia
reptilian
republic
republican