English

Noun

rubigo ‎(uncountable)

1. (phytopathology, obsolete) rust (fungal disease of plants)
   • 1804, Annals of agriculture and other useful arts

     Dr. Darwin supposes that the rubigo which shows itself in a ferruginous powder beneath the leaves of vegetables previously diseased, may be a fungus (like the eurisiphe or mildew) […]

Latin

Noun

rūbīgō f ‎(genitive rūbīginis); third declension

1. Alternative form of rōbīgō

Inflection

Third declension.

References

• rubigo in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• rubigo in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• Félix Gaffiot (1934), “rubigo”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.