Etymologically

inexhaustus

Etymology and origin of the Latin word inexhaustus

Confidence
Established
Formation
Derivation
First attested
70–19 BC, Virgil
Ultimate origin
Latin exhauriō

Pronunciation

  • Classical: [ɪ.nɛkˈsau̯s.tʊs][1]
  • Ecclesiastical: [i.neɡˈzau̯s.tus][1]

Forms

inexhaustus (feminine inexhausta, neuter inexhaustum); first/second-declension adjective[1]

Etymology

It is from Latin in- (“not”) + exhaustus (“drained, used up”), the past participle of exhauriō (“to drain, exhaust”).[2][3][4] De Vaan traces hauriō (“to draw (water)”) to Proto-Indo-European *h₂eus-ie/o- (“to scoop”).[5]

Earliest recorded meaning

Its first known use is in Virgil's Aeneid, of an island “rich in the inexhaustible mines of the Chalybes” (insula inexhaustis Chalybum generosa metallis).[2][6][3]

Semantic evolution

Silius Italicus uses it of cities not drained by war and of strength not spent,[3][2] and Tacitus of youthful vigour not enfeebled.[6] Lewis and Short call it poetic and post-Augustan.[6] It continued in Christian Latin.[7][4]

Timeline

  • 70–19 BC – Virgil uses it of mines.[2][4]
  • 25–101 AD – Silius Italicus uses it of cities and of strength.[2][3][4]
  • 98–115 AD – Tacitus uses it of youthful vigour.[6][4]

Meanings

Adjective

  1. Not exhausted, not used up or drained; of cities, not plundered; of youth, not weakened.[2][6]
  2. Inexhaustible, limitless.[2]

References

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

“Inexhaustus.” Etymologically, 24 Oct. 2026, etymologically.com/la/inexhaustus. Accessed 24 Oct. 2026.

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