Etymograph

English

beaver

Beaver comes from Middle English bever ‘a beaver’, and goes back to Proto-Indo-European *bʰébʰrus.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*bʰébʰrus1reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*bebruz1reconstructed
  3. Proto-West Germanicc. 200–500 CE*bebru1reconstructed
  4. Old Englishc. 450–1150befer1
  5. Middle Englishc. 1150–1500bever1‘a beaver’
  6. Englishearliest quotation 1591beaver1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English beaver
  2. Earliest quotation in Wiktionary’s entry: 1591, Edmund Spenser, Prosopopoia; or, Mother Hubberd’s Tale: “Then, for the safeguard of his personage, He did…”.

Earlier history uncertain. See Wiktionary.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*bʰébʰrusWiktionary, English beaverreconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*bebruzWiktionary, English beaverreconstructed
  3. Proto-West Germanicc. 200–500 CE*bebruWiktionary, English beaverreconstructed
  4. Old Englishc. 450–1150beferWiktionary, English beaver
  5. Middle Englishc. 1150–1500beverWiktionary, English beaver‘a beaver’
  6. Englishearliest quotation 1591beaverWiktionary, English beaver. Earliest quotation in Wiktionary’s entry: 1591, Edmund Spenser, Prosopopoia; or, Mother Hubberd’s Tale: “Then, for the safeguard of his personage, He did…”

The story

Non-Germanic cognates include Welsh befer, Latin fiber, Lithuanian bẽbras, Russian бобр (bobr), Avestan 𐬠𐬀𐬎𐬎𐬭𐬀 (bauura), and Sanskrit बभ्रु (bábhru, “mongoose; ichneumon”). Slang use to refer to a woman evolved from use to refer to pubic hair, which evolved from use to refer to beards, which evolved from use to refer to the furry animal or its fur.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *bʰerH- ‘brown’

brown, bone, boring, bore, interfere, berry, brunette, bruin, burnish, 12 more

Today it means

noun A semiaquatic rodent of the genus Castor, having a wide, flat tail and webbed feet, native to the Northern Hemisphere.

Sources

Sources: Wiktionary, “beaver”. 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 *bʰébʰrus / beaver

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