Etymograph

English

trub

Trub comes from German trüb ‘not clear, turbid’, and goes back to Proto-Germanic *drōbuz.

  1. Proto-Germanicc. 500 BCE–200 CE*drōbuz1‘turbid, disturbed, troubled’reconstructed
  2. Proto-West Germanicc. 200–500 CE*drōbī2‘turbid, cloudy’reconstructed
  3. Old High Germanc. 750–1050truobi2
  4. Middle High Germanc. 1050–1350trüebe2
  5. Germanc. 1650–presenttrüb3‘not clear, turbid’
  6. Englishtodaytrub3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-West Germanic *drōbī
  2. 2 Wiktionary, German trüb
  3. 3 Wiktionary, English trub

Lineage

  1. Proto-Germanicc. 500 BCE–200 CE*drōbuzWiktionary, Proto-West Germanic *drōbī‘turbid, disturbed, troubled’reconstructed
  2. Proto-West Germanicc. 200–500 CE*drōbīWiktionary, German trüb‘turbid, cloudy’reconstructed
  3. Old High Germanc. 750–1050truobiWiktionary, German trüb
  4. Middle High Germanc. 1050–1350trüebeWiktionary, German trüb
  5. Germanc. 1650–presenttrübWiktionary, English trub‘not clear, turbid’
  6. EnglishtodaytrubWiktionary, English trub

Every English word from Proto-Germanic *drōbuz

Today it means

noun The layer of sediment that appears at the bottom of the fermenter after yeast has completed the bulk of the fermentation.

Sources

Sources: Wiktionary, “trub”; the older steps come from the Wiktionary entries for Proto-West Germanic *drōbī, German trüb. 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-Germanic *drōbuz / trub

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