aquilo

• Aquilō (letter case)

Perhaps from aquila (“eagle”) +‎ -ō (name-forming suffix), personifying the cold north wind as a "fast, aggressive raptor".

aquilō m (genitive aquilōnis); third declension

1. north wind, the wind god Boreas

   Synonyms: boreās, septentriō

   • 29 BCE – 19 BCE, Virgil, Aeneid 4.309–311:

     “Quīn etiam hībernō mōlīris sīdere classem,
     et mediīs properās aquilōnibus īre per altum,
     crūdēlis?” [...].

     “What’s worse, you dare rig your fleet under wintry stars, and hasten to sail across the deep sea – amidst the north winds! [Isn’t this an act] of cruelty?”
     (Dido rebukes Aeneas.)

2. the north
3. (New Latin) kite

Third-declension noun.

Case	Singular	Plural
Nominative	aquilō	aquilōnēs
Genitive	aquilōnis	aquilōnum
Dative	aquilōnī	aquilōnibus
Accusative	aquilōnem	aquilōnēs
Ablative	aquilōne	aquilōnibus
Vocative	aquilō	aquilōnēs

• Aquilogena
• aquilōnāris
• aquilōnius
• euroaquilō

• Catalan: Aquiló
• English: Aquilo, Aquilon
• French: Aquilon
• German: Aquilo
• Italian: Aquilone
• Polish: Akwilon
• Russian: Аквилон (Akvilon)
• Spanish: aquilón

• De Vaan, Michiel (2008) “aquila”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 49

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

• aquillo (pre-1911/1943)

From Old Galician-Portuguese aquilo, from Vulgar Latin *eccum illum, neuter singular of *eccum ille.

• Hyphenation: a‧qui‧lo

• Audio (São Paulo):

  (file)

aquilo (indefinite demonstrative pronoun)

1. that, that thing (demonstrative)

   Ou isto ou aquilo

   [It's] either this or that (there's no third option)

2. (obsolete, literature, literary) that sentence; that word, that dictum

• Mainly used to represent things yet to be introduced or explained (in contrast with aquele or aquela). Also used with objects rather than people.

Portuguese demonstratives (edit)
		Pronouns					Adverbs
		Singular		Plural		Neuter
		Masculine	Feminine	Masculine	Feminine
Proximal	X	este	esta	estes	estas	isto	aqui, cá
	de + X	deste	desta	destes	destas	disto	daqui
	em + X	neste	nesta	nestes	nestas	nisto	—
Medial	X	esse	essa	esses	essas	isso	aí
	de + X	desse	dessa	desses	dessas	disso	daí
	em + X	nesse	nessa	nesses	nessas	nisso	—
Distal	X	aquele	aquela	aqueles	aquelas	aquilo	ali, lá, acolá
	de + X	daquele	daquela	daqueles	daquelas	daquilo	dali
	em + X	naquele	naquela	naqueles	naquelas	naquilo	—
	a + X	àquele	àquela	àqueles	àquelas	àquilo
Anaphoric	X	o	a	os	as	—	—
	de + X	do	da	dos	das
	em + X	no	na	nos	nas
	a + X	ao	à	aos	às

• “aquilo”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2024
• “aquilo”, in Dicionário infopédia da Língua Portuguesa (in Portuguese), Porto: Porto Editora, 2003–2024