Etymograph

English

enclosure

Enclosure comes from Old French enclore ‘to enclose’, from Latin claudō ‘to shut’, and ultimately from Proto-Indo-European *kleh₂u- ‘key, hook, nail’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kleh₂u-1‘key, hook, nail’reconstructed
  2. Latinc. 75 BCE–200 CEclaudō1‘to shut’
  3. Latinc. 75 BCE–200 CEinclūdere1
  4. Old Frenchc. 842–1400enclore1‘to enclose’
  5. Old Frenchc. 842–1400enclosure1
  6. Middle Englishc. 1150–1500enclosure1
  7. Englishearliest quotation 1811enclosure1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English enclosure
  2. Earliest quotation in Wiktionary’s entry: 1811, Jane Austen, London: […] C[harles] Roworth: “'[…] The inclosure of Norland Common, now carrying on,…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kleh₂u-Wiktionary, English enclosure‘key, hook, nail’reconstructed
  2. Latinc. 75 BCE–200 CEclaudōWiktionary, English enclosure‘to shut’
  3. Latinc. 75 BCE–200 CEinclūdereWiktionary, English enclosure
  4. Old Frenchc. 842–1400encloreWiktionary, English enclosure‘to enclose’
  5. Old Frenchc. 842–1400enclosureWiktionary, English enclosure
  6. Middle Englishc. 1150–1500enclosureWiktionary, English enclosure
  7. Englishearliest quotation 1811enclosureWiktionary, English enclosure. Earliest quotation in Wiktionary’s entry: 1811, Jane Austen, London: […] C[harles] Roworth: “'[…] The inclosure of Norland Common, now carrying on,…”

Linked words

through Proto-Indo-European *kleh₂u- ‘key, hook, nail’

enclave, clavicle, clef, clave, 9 more

through Latin claudō ‘to shut’

close, exclusive, conclusion, clause, inclusion, inclusive, exclude, conclude, preclude, sluice, occlusion, recluse, claustrophobia, cloister, cloture, 30 more

through Latin inclūdere

include

Today it means

noun Something that is enclosed, i.e. inserted into a letter or similar package.

Sources

Sources: Wiktionary, “enclosure”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *kleh₂u- / enclosure

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