Etymograph

English

omni-

Omni- comes from Latin omnis ‘all’, and goes back to Proto-Indo-European *h₃ep- ‘to work, toil, make’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃ep-1‘to work, toil, make’reconstructed
  2. Proto-Italicc. 1500–700 BCE*opnis1‘every, all’reconstructed
  3. Latinc. 75 BCE–200 CEomnis1‘all’
  4. Englishtodayomni-1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English omni-

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃ep-Wiktionary, English omni-‘to work, toil, make’reconstructed
  2. Proto-Italicc. 1500–700 BCE*opnisWiktionary, English omni-‘every, all’reconstructed
  3. Latinc. 75 BCE–200 CEomnisWiktionary, English omni-‘all’
  4. Englishtodayomni-Wiktionary, English omni-

Linked words

through Proto-Indo-European *h₃ep- ‘to work, toil, make’

office, official, operation, copy, operate, operator, opera, opus, copious, oeuvre, opulence, officiate, officiant, officious, 23 more

through Latin omnis ‘all’

bus, omnibus, omnium, omnivore, 2 more

Today it means

prefix all

Sources

Sources: Wiktionary, “omni-”. 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 *h₃ep- / omni-

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