Origin Story
In the Roman Republic, anyone running for public office wore a toga candida — a dazzlingly white toga. Candidus is Latin for "shining, pure white," and the garment symbolized the candidate's integrity and clean hands. Office-seekers would move through the Forum approaching citizens, clasping their hands and pleading for support — an activity called ambitus ("a going around"), which is also the source of the word ambition. The man in the white toga, the candidatus, came to mean simply "candidate," and the word entered English in the 16th century. The idea that pure white stands for integrity survives to this day in the word candid ("frank, honest").
Romans whitened their togas further by rubbing them with chalk (creta). When a candidate's zeal went too far, ambitus could shade into bribery — and so, ironically, corruption flourished beneath the very white toga that was meant to symbolize integrity.
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Oxford English Dictionarycandidate: from Latin candidatus "one aspiring to office," literally "white-robed," from candidus "bright white"
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Online Etymology Dictionarycandidate (n.): 1610s, from Latin candidatus "one who seeks an office," originally "white-robed," because Romans seeking office wore white togas
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Merriam-Webster DictionaryLatin candidatus, from candidus "white, bright" — candidates for office in Rome wore white togas
Word Evolution
Words from the Same Root
Memory Hook
Notice candid ("frank") inside candidate. Picture a candidate in white robes, honestly asking for your vote.
""A white robe guarantees no integrity — but the promise of it has endured for two thousand years.""