Etymograph

English

erbium

Erbium comes from New Latin erbium, from Swedish by ‘hamlet’, and ultimately from Proto-Indo-European *bʰuH- ‘to be, become, grow, appear’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*bʰuH-1‘to be, become, grow, appear’reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*būaną1‘to dwell, reside’reconstructed
  3. Old Norsec. 800–1350búa1‘to reside, to live’
  4. Old Norsec. 800–1350býr1
  5. Old Swedishmodernbȳr1
  6. Swedishmodernby1‘hamlet’
  7. SwedishmodernYtterby1
  8. New Latinc. 1500–1900erbium1
  9. Englishtodayerbium1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English erbium

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*bʰuH-Wiktionary, English erbium‘to be, become, grow, appear’reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*būanąWiktionary, English erbium‘to dwell, reside’reconstructed
  3. Old Norsec. 800–1350búaWiktionary, English erbium‘to reside, to live’
  4. Old Norsec. 800–1350býrWiktionary, English erbium
  5. Old SwedishmodernbȳrWiktionary, English erbium
  6. SwedishmodernbyWiktionary, English erbium‘hamlet’
  7. SwedishmodernYtterbyWiktionary, English erbium
  8. New Latinc. 1500–1900erbiumWiktionary, English erbium
  9. EnglishtodayerbiumWiktionary, English erbium

The story

Coined by Swedish chemist and mineralogist Carl Gustaf Mosander in 1843.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *bʰuH- ‘to be, become, grow, appear’

be, been, possible, future, power, present, build, physical, improve, presence, essential, bond, bush, absence, contribution, physician, entity, approve, absent, probability, favorable, distribute, contributor, fiat, bun, favourable, bouquet, retribution, attribution, imp, rebuke, impotent, impossibility, aren, bower, bosque, phylogeny, physic, beamer, approbation, 80 more

through Proto-Germanic *būaną ‘to dwell, reside’

bound, booth, 4 more

through Old Norse búa ‘to reside, to live’

bondage, busk, 1 more

Today it means

noun A chemical element (symbol Er) with atomic number 68: a silvery-white metal, in nature always found in combination with other elements.

Sources

Sources: Wiktionary, “erbium”. 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 *bʰuH- / erbium