Etymograph

English

rubedo

Rubedo comes from Latin rubēdō ‘redness’, from rubeō ‘to be red’, and ultimately from Proto-Indo-European *h₁rewdʰ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁rewdʰ-1‘red’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₁rudʰéh₁ti1‘to be red’reconstructed
  3. Proto-Italicc. 1500–700 BCE*ruðēō1reconstructed
  4. Latinc. 75 BCE–200 CErubeō1‘to be red’
  5. Latinc. 75 BCE–200 CErubēdō2‘redness’
  6. Englishtodayrubedo2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin rubedo
  2. 2 Wiktionary, English rubedo

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁rewdʰ-Wiktionary, Latin rubedo‘red’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₁rudʰéh₁tiWiktionary, Latin rubedo‘to be red’reconstructed
  3. Proto-Italicc. 1500–700 BCE*ruðēōWiktionary, Latin rubedoreconstructed
  4. Latinc. 75 BCE–200 CErubeōWiktionary, Latin rubedo‘to be red’
  5. Latinc. 75 BCE–200 CErubēdōWiktionary, English rubedo‘redness’
  6. EnglishtodayrubedoWiktionary, English rubedo

Linked words

through Proto-Indo-European *h₁rewdʰ- ‘red’

red, rust, rowan, reddish, rouse, roux, corroborate, russel, ruddy, redness, roan, rubric, erythema, robusta, russet, rufous, rubella, ruddock, 33 more

through Proto-Indo-European *h₁rudʰéh₁ti ‘to be red’

rud, 10 more

through Latin rubeō ‘to be red’

ruby, 10 more

Today it means

noun A diffused redness of the skin; blushing or flushing.

Sources

Sources: Wiktionary, “rubedo”; the older steps come from the Wiktionary entry for Latin rubedo. 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 *h₁rewdʰ- / rubedo

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