candidate
n.
c.1600s, from Latin candidatus "one aspiring to office," originally "white-robed," past participle of candidare "to make white or bright," from candidus (see candid). Office-seekers in ancient Rome wore white togas.
〔李〕[candida.;-aten.] n.候选人 ←cand (L candere)=to blow, to be white 发光，变白