reprobate

First attested in c. 1425, in Middle English; inherited from Middle English reprobat(e) (“condemned, damned”, also used as the past participle of reprobaten), borrowed from Latin reprobātus (“disapproved, rejected, condemned”), perfect passive participle of reprobō, see -ate (adjective-forming suffix). The noun was derived from the adjective by substantivization, see -ate (noun-forming suffix).

First attested in c. 1451, in Middle English; inherited from Middle English reprobaten, from reprobat(e) (“condemned, damned”, also used as the past participle of reprobaten) + -en (verb-forming suffix), borrowed from Latin reprobātus, see -ate (verb-forming suffix) and Etymology 1 for more. Doublet of reprove.