rouille.
rust (color/colour)
Meaning & usage
rust (color/colour)
Where this word comes from
Inherited from Old French reoïlle, from Vulgar Latin *robicla, from syncopation of Latin *robicula, a diminutive of Latin rōbīgō (“rust”) + -cula (from -culus (suffix forming diminutives)). Rōbīgō is derived from rōbus (a variant of rūfus (“red, reddish”)) + -īgō (suffix forming nouns usually denoting diseased conditions). Compare Catalan rovell, Occitan rovilh, Spanish robín.
rust (oxidation of iron or, by extension, other metals)
Le vert-de-gris est la rouille du cuivre.
rust (fungus disease of plants)
rouille (provençal sauce made with chilli and garlic)
Where this word comes from
Inherited from Old French reoïlle, from Vulgar Latin *robicla, from syncopation of Latin *robicula, a diminutive of Latin rōbīgō (“rust”) + -cula (from -culus (suffix forming diminutives)). Rōbīgō is derived from rōbus (a variant of rūfus (“red, reddish”)) + -īgō (suffix forming nouns usually denoting diseased conditions). Compare Catalan rovell, Occitan rovilh, Spanish robín.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.