Etymologically

posterius

Etymology and origin of the Latin word posterius

Confidence
Established
Formation
Derivation
First attested
c. 250–184 BC, Plautus
Ultimate origin
Proto-Indo-European (*pos(ti))

Forms

posterius (comparative)[1]

Etymology

It is the neuter of the comparative of posterus (“later, next”), used as an adverb.[2][1] De Vaan takes posterus as the old comparative of post (“after”), from Proto-Italic *post-ero- (“later”); post goes back to Proto-Italic *posti (“behind, after”) and Proto-Indo-European *pos(ti) (“after”), comparing Oscan púst (“after, behind”).[3]

Earliest recorded meaning

Its first quotations are in Plautus: in the Amphitruo a man is told not to put the blame on him later, and in the Epidicus another says that the others should speak first and they afterwards.[2]

Semantic evolution

It means at a later time, later, afterwards, and second, after someone else.[2] With quam it is a conjunction, after: in Plautus' Asinaria a man says “you say that after I already believe you”.[2] Lucretius uses it of the future, thereafter.[2] The TLL quotes it from Ennius and Terence, whose line a scholiast glosses ⟨postmodo⟩.[4]

Timeline

  • c. 250–184 BC – Plautus of later blame and of speaking second.[2][5]
  • 190–159 BC – Terence.[4][5]
  • 96–55 BC – Lucretius of the future.[2][5]

Meanings

Adverb

  1. Later, afterwards; second, after another.[2][1]
  2. posterius quam, after.[2]
  3. For the future, thereafter.[2]

References

  1. ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  4. ^ a b Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  5. ^ a b c Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry

“Posterius.” Etymologically, 20 Oct. 2026, etymologically.com/la/posterius. Accessed 20 Oct. 2026.

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