Etymograph

English

depure

Depure comes from French dépurer ‘to purify’, from Medieval Latin pūrus ‘pure’, and ultimately from Proto-Indo-European *pewH- ‘to cleanse, purify’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pewH-1‘to cleanse, purify’reconstructed
  2. Proto-Italicc. 1500–700 BCE*pūros1reconstructed
  3. Medieval Latinc. 600–1500pūrus2‘pure’
  4. Medieval Latinc. 600–1500dēpūrāre2
  5. Frenchc. 1600–presentdépurer3‘to purify’
  6. Englishtodaydepure3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin purus
  2. 2 Wiktionary, French dépurer
  3. 3 Wiktionary, English depure

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pewH-Wiktionary, Latin purus‘to cleanse, purify’reconstructed
  2. Proto-Italicc. 1500–700 BCE*pūrosWiktionary, Latin purusreconstructed
  3. Medieval Latinc. 600–1500pūrusWiktionary, French dépurer‘pure’
  4. Medieval Latinc. 600–1500dēpūrāreWiktionary, French dépurer
  5. Frenchc. 1600–presentdépurerWiktionary, English depure‘to purify’
  6. EnglishtodaydepureWiktionary, English depure

Linked words

through Proto-Indo-European *pewH- ‘to cleanse, purify’

pity, reputation, deputy, pious, piety, putative, expiation, puro, 14 more

through Proto-Italic *pūros

impurity, 6 more

through Medieval Latin pūrus ‘pure’

pour, purity, purification, purify, impure, purist, puree, 7 more

Today it means

verb to depurate; to purify

Sources

Sources: Wiktionary, “depure”; the older steps come from the Wiktionary entries for Latin purus, French dépurer. 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 *pewH- / depure

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