Etymograph

English

extra-

Extra- comes from Latin extrā ‘outside, except, beyond’, and goes back to Proto-Indo-European *h₁éǵʰs ‘out’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁éǵʰs1‘out’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₁eǵʰsteros1reconstructed
  3. Proto-Italicc. 1500–700 BCE*eksteros1reconstructed
  4. Latinc. 75 BCE–200 CEexter1‘being on the outside’
  5. Latinc. 75 BCE–200 CEextrā1‘outside, except, beyond’
  6. Englishtodayextra-1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English extra-

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁éǵʰsWiktionary, English extra-‘out’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₁eǵʰsterosWiktionary, English extra-reconstructed
  3. Proto-Italicc. 1500–700 BCE*eksterosWiktionary, English extra-reconstructed
  4. Latinc. 75 BCE–200 CEexterWiktionary, English extra-‘being on the outside’
  5. Latinc. 75 BCE–200 CEextrāWiktionary, English extra-‘outside, except, beyond’
  6. Englishtodayextra-Wiktionary, English extra-

Linked words

through Proto-Indo-European *h₁éǵʰs ‘out’

elevator, elevation, elevate, expulsion, enunciation, excommunicate, affray, 11 more

through Latin exter ‘being on the outside’

external, stranger, exterior, 1 more

through Latin extrā ‘outside, except, beyond’

strange, 9 more

Today it means

prefix Outside of, beyond.

Sources

Sources: Wiktionary, “extra-”. 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 *h₁éǵʰs / extra-

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