Etymograph

English

roo

Roo comes from Old English rō ‘quietness, quiet, rest’, and goes back to Proto-Indo-European *h₁reh₁-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁reh₁-1‘to rest’reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*rōō1‘quiet, rest’reconstructed
  3. Old Englishc. 450–1150rō1‘quietness, quiet, rest’
  4. Middle Englishc. 1150–1500roo1
  5. Englishtodayroo1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English roo

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁reh₁-Wiktionary, English roo‘to rest’reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*rōōWiktionary, English roo‘quiet, rest’reconstructed
  3. Old Englishc. 450–1150rōWiktionary, English roo‘quietness, quiet, rest’
  4. Middle Englishc. 1150–1500rooWiktionary, English roo
  5. EnglishtodayrooWiktionary, English roo

Linked words

through Proto-Indo-European *h₁reh₁- ‘to rest’

rest, rare, row, rudder, ramshackle, ransack, rother, 5 more

Today it means

noun Peace; quietness.

Sources

Sources: Wiktionary, “roo”. 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 *h₁reh₁- / roo

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