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Etymology and origin of the Latin word a

a1 from

Confidence
Established
Formation
Inherited
First attested
c. 235–200 BC, Naevius
Inherited from
Proto-Italic *ap
Ultimate origin
Proto-Indo-European (*h₂ep-)

Pronunciation

  • Classical: [ˈaː][1]
  • Ecclesiastical: [ˈaː][1]

Forms

ā (+ ablative)[1]

Etymology

The preposition is the form of ab used before most consonants: ⟨ab⟩ stands before vowels and ⟨h⟩, ⟨ā⟩ usually before stops and ⟨s⟩, and ⟨abs⟩ (rare) before ⟨t⟩ and ⟨c⟩.[2][3][1] It is inherited from Proto-Italic *ap (“away, off”), inherited from Proto-Indo-European *h₂ep-.[2]

Cognate with Ancient Greek ἀπό (apó), Sanskrit अप (ápa, “away, off”) and Gothic 𐌰𐍆 (af).[2][3]

Earliest recorded meaning

Ab is found in the epitaphs of the Scipios and in Naevius.[2][4]

Semantic evolution

It shares the senses of ab: motion away from a place, distance and separation, and, with passive verbs, the agent (“by”).[3][5][6]

Meanings

Preposition

  1. (with ablative, before consonants) from, away from;[3][6] (with passive verbs) by.[3][6]

Word family

  • absque

a2 ah

Confidence
Established
Formation
Onomatopoeia
First attested
c. 250–184 BC, Plautus

Pronunciation

  • Classical: [ˈaː][1]
  • Ecclesiastical: [ˈaː][1]

Forms

ā [1]

Etymology

The interjection is expressive, a natural cry.[1][4] It is also written ⟨ah⟩.[3][5]

Earliest recorded meaning

It is found in Plautus, as ā! nē flē “ah, don't cry!”.[3][4]

Semantic evolution

It expresses distress, pity or regret, an appeal (ā, nē dī sīverint! “ah, the gods forbid!”), surprise or joy, objection, and contempt.[3] Virgil uses it in an appeal in the Georgics.[3]

Timeline

  • c. 250–184 BC – Plautus uses it for distress and entreaty.[3][4]
  • 220–130 BC – Pacuvius: ah! cēpistī mē istōc verbō.[3][4]
  • 70–19 BC – Virgil: ā, nimium nē sit mihi fertilis illa.[3][4]

Meanings

Interjection

  1. ah! (of distress, pity or regret).[3][5]
  2. Ah! (in entreaty or objection).[3]
  3. Ah! (of surprise or joy; of contempt).[3]
  • ab
  • ah

Usage notes

A is also the first letter of the alphabet; it was sometimes doubled to show a long vowel, and as an abbreviation it stands for the first name Aulus.[3] Isidore of Seville explains that it comes first among letters in every nation because it is the first sound newborn children make.[7]

References

  1. ^ a b c d e f g h Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  3. ^ a b c d e f g h i j k l m n o p Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  4. ^ a b c d e f Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b c Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  6. ^ a b c Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  7. ^ Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften

Related etymologies

  • esca · also from Proto-Indo-European
  • plurimus · also from Proto-Indo-European
  • pecus · also from Proto-Indo-European
  • poculum · also from Proto-Indo-European
  • sum · also from Proto-Indo-European
  • aceo · also from Proto-Indo-European
  • nex · also from Proto-Indo-European
  • meo · also from Proto-Indo-European
Cite this entry

“A.” Etymologically, 18 Oct. 2026, etymologically.com/la/a. Accessed 19 Oct. 2026.

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