Origin: 1605–15; < Latincandidātus clothed in white (adj.), candidate for office (noun, in reference to the white togas worn by those seeking office). See candid, -ate1
c.1600s, from L. candidatus "one aspiring to office," originally "white-robed," pp. of candidare "to make white or bright," from candidus (see candid). Office-seekers in ancient Rome wore white togas.