Etymograph

English

rubian

Rubian comes from Latin rubia ‘madder’, from rubeus ‘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 or reddish’
  5. Latinc. 75 BCE–200 CErubeus2‘red’
  6. Latinc. 75 BCE–200 CErubia2‘madder’
  7. Englishtodayrubian2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin rubeus
  2. 2 Wiktionary, English rubian

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁rewdʰ-Wiktionary, Latin rubeus‘red’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₁rudʰéh₁tiWiktionary, Latin rubeus‘to be red’reconstructed
  3. Proto-Italicc. 1500–700 BCE*ruðēōWiktionary, Latin rubeusreconstructed
  4. Latinc. 75 BCE–200 CErubeōWiktionary, Latin rubeus‘to be red or reddish’
  5. Latinc. 75 BCE–200 CErubeusWiktionary, English rubian‘red’
  6. Latinc. 75 BCE–200 CErubiaWiktionary, English rubian‘madder’
  7. EnglishtodayrubianWiktionary, English rubian

Linked words

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

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

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

rud, 10 more

through Latin rubeus ‘red’

rouge, ruby, 4 more

Today it means

noun One of several colour-producing glycosides found in madder root.

Sources

Sources: Wiktionary, “rubian”; the older steps come from the Wiktionary entry for Latin rubeus. 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- / rubian

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