ferrugo

English

Etymology

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

Noun

ferrugo (uncountable)

1. (phytopathology) rust (plant disease).

Related terms

• ferruginous

References

• “ferrugo”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

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 (in German), volumes 3: D–F, page 470
• Meyer-Lübke, Wilhelm (1911) “ferrugo”, in Romanisches etymologisches Wörterbuch (in German), page 245