Etymograph

English

grauwacke

Grauwacke comes from German grau ‘grey’, and perhaps goes back to Proto-Indo-European *ǵʰreh₁- ‘to glow, be visible’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰreh₁-1‘to glow, be visible’uncertain
  2. Proto-Germanicc. 500 BCE–200 CE*grēwaz2‘grey’reconstructed
  3. Proto-West Germanicc. 200–500 CE*grāu3‘grey’reconstructed
  4. Old High Germanc. 750–1050grāo3‘grey’
  5. Middle High Germanc. 1050–1350grā3
  6. Germanc. 1650–presentgrau4‘grey’
  7. Germanc. 1650–presentGrauwacke4
  8. Englishtodaygrauwacke4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Germanic *grēwaz
  2. 2 Wiktionary, Proto-West Germanic *grāu
  3. 3 Wiktionary, German grau
  4. 4 Wiktionary, English grauwacke

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰreh₁-Wiktionary, Proto-Germanic *grēwaz‘to glow, be visible’uncertain
  2. Proto-Germanicc. 500 BCE–200 CE*grēwazWiktionary, Proto-West Germanic *grāu‘grey’reconstructed
  3. Proto-West Germanicc. 200–500 CE*grāuWiktionary, German grau‘grey’reconstructed
  4. Old High Germanc. 750–1050grāoWiktionary, German grau‘grey’
  5. Middle High Germanc. 1050–1350grāWiktionary, German grau
  6. Germanc. 1650–presentgrauWiktionary, English grauwacke‘grey’
  7. Germanc. 1650–presentGrauwackeWiktionary, English grauwacke
  8. EnglishtodaygrauwackeWiktionary, English grauwacke

Linked words

through Proto-Germanic *grēwaz ‘grey’

grey, gray

through Proto-West Germanic *grāu ‘grey’

grayling

Today it means

noun Greywacke.

Sources

Sources: Wiktionary, “grauwacke”; the older steps come from the Wiktionary entries for Proto-Germanic *grēwaz, Proto-West Germanic *grāu, German grau. 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 *ǵʰreh₁- / grauwacke