ferrugo

English

Etymology

Borrowed from Latin ferrugo (“iron rust”), from ferrum (“iron”).

Noun

ferrugo (uncountable)

1. (phytopathology) A disease of plants caused by fungus; rust.

Related terms

• ferruginous

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “ferrugo”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)

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Latin

Etymology

ferrum (“iron”) +‎ -ūgō

Pronunciation

• (Classical Latin) IPA^(key): /ferˈruː.ɡoː/, [fɛrˈruːɡoː]
• (modern Italianate Ecclesiastical) IPA^(key): /ferˈru.ɡo/, [ferˈruːɡo]

Noun

ferrūgō f (genitive ferrūginis); third declension

1. rust (or the colour), specifically iron-rust or its colour

Declension

Third-declension noun.

Case	Singular	Plural
Nominative	ferrūgō	ferrūginēs
Genitive	ferrūginis	ferrūginum
Dative	ferrūginī	ferrūginibus
Accusative	ferrūginem	ferrūginēs
Ablative	ferrūgine	ferrūginibus
Vocative	ferrūgō	ferrūginēs

Descendants

• Gallo-Italic:
  • Emilian: fruzna
  • Lombard: früzan
• Ibero-Romance:
  • Asturian: ferruño
  • Galician: ferruxe, furruxe
  • Portuguese: ferrugem
  • ⇒ Spanish: herrugento (“rusty”)
• Italo-Romance:
  • ⇒ Sicilian: firrunìa
• Vulgar Latin:
  • *ferrīgine
    • Catalan: ferritja
• Borrowings:
  • → Middle French: ferruge ⇒ ferrugin, ferruginé
  • → English: ferrugo ⇒ ferruginous
  • → Italian: ferrugine

See also

• ferrūmen

References

• “ferrugo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “ferrugo”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• ferrugo in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• ferrugo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• “ferrūgō” on page 691/1 of the Oxford Latin Dictionary (1st ed., 1968–82)
• Walther von Wartburg (1928–2002) “ferrugo”, in Französisches Etymologisches Wörterbuch, volume
  , page 470
• Meyer-Lübke, Wilhelm (1911) “ferrugo”, in Romanisches etymologisches Wörterbuch (in German), page 245