augurium

• augurum, augorium, agurium, agorium (all late and non-standard)^[1]

From augur +‎ -ium.

• (Classical Latin) IPA^(key): /au̯ˈɡu.ri.um/, [äu̯ˈɡʊriʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /au̯ˈɡu.ri.um/, [äu̯ˈɡuːrium]

augurium n (genitive auguriī or augurī); second declension

1. augury
2. divination, prediction
3. omen, portent
4. foreboding

Second-declension noun (neuter).

¹Found in older Latin (until the Augustan Age).

(All derived from one or another of the Late Latin forms)

• Balkan Romance:
  • Aromanian: aguri
• Italo-Romance:
  • Old Italian: aghuro
• Padanian:
  • Romansch: agur
• Gallo-Romance:
  • Old Catalan: ahuyr
  • Old French: eur
    • French: heur (dated)
    • → Middle English: eure
  • Old Occitan: agur
• Ibero-Romance:
  • Old Galician-Portuguese: agoiro, agüiro, agoyro, aguyro (spelling variants)
    • Galician: agoiro
    • Portuguese: agoiro, agouro
  • Old Spanish: aguero
    • Spanish: agüero
  • → Basque: agur

Borrowings:

• → Catalan: auguri
• → Friulian: augûr
• → Galician: augurio
• → Italian: augurio
• → Old French: augurie
  • ⇒ French: augure
  • → English: augury
• → Picard: audjure, augure
• → Portuguese: augúrio
• → Romanian: augur
• → Spanish: augurio
• → Venetan: agùrio

• “augurium”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “augurium”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• augurium in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • to take the auspices, observe the flight of birds: augurium agere, auspicari (N. D. 2. 4. 11)
    
• Walther von Wartburg (1928–2002) “augŭrium”, in Französisches Etymologisches Wörterbuch, volumes 25: Refonte Apaideutos–Azymus, page 897