Etymograph

English

altruize

Altruize comes from French altruisme ‘altruism’, from autrui ‘others’, and ultimately from Proto-Indo-European *h₂el-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂el-1‘beyond, other’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₂élyos1‘other, another’reconstructed
  3. Proto-Italicc. 1500–700 BCE*aljos1‘another’reconstructed
  4. Proto-Italicc. 1500–700 BCE*aliteros1‘other (of two)’reconstructed
  5. Latinc. 75 BCE–200 CEalterī1
  6. Vulgar Latinc. 100–700 CE*alterui1next step skipped: Old French altre
  7. Old Frenchc. 842–1400autrui1‘others’
  8. Frenchc. 1600–presentautrui1‘others’
  9. Frenchc. 1600–presentaltruisme1‘altruism’
  10. English1500–presentaltruism1
  11. Englishtodayaltruize1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English altruize

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂el-Wiktionary, English altruize‘beyond, other’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₂élyosWiktionary, English altruize‘other, another’reconstructed
  3. Proto-Italicc. 1500–700 BCE*aljosWiktionary, English altruize‘another’reconstructed
  4. Proto-Italicc. 1500–700 BCE*aliterosWiktionary, English altruize‘other (of two)’reconstructed
  5. Latinc. 75 BCE–200 CEalterīWiktionary, English altruize
  6. Vulgar Latinc. 100–700 CE*alteruiWiktionary, English altruizenext step skipped: Old French altre
  7. Old Frenchc. 842–1400autruiWiktionary, English altruize‘others’
  8. Frenchc. 1600–presentautruiWiktionary, English altruize‘others’
  9. Frenchc. 1600–presentaltruismeWiktionary, English altruize‘altruism’
  10. English1500–presentaltruismWiktionary, English altruize
  11. EnglishtodayaltruizeWiktionary, English altruize

A compound of altruism + -ize

Proto-Indo-European *h₂el- ‘beyond, other’

…

Vulgar Latin *alterui

Old French autrui ‘others’

French autrui ‘of or to others’

French altruisme

English altruism

Linked words

through Proto-Indo-European *h₂el- ‘beyond, other’

as, all, old, adult, el, element, ultimate, elder, ellen, ultra, ou, qualification, alumni, outrage, alter, adolescent, altitude, abolish, alpine, altar, alt, alias, alum, alto, proletariat, retaliate, auld, alimony, alp, ulterior, coalesce, foetal, aad, eld, exalt, althea, altimeter, withal, 57 more

through Proto-Indo-European *h₂élyos ‘other, another’

else, alienation, alienate, parallax, inalienable, 29 more

through Proto-Italic *aljos ‘another’

alien, alibi, 21 more

through Proto-Italic *aliteros ‘other (of two)’

alternate, adultery, altercation, alternation, 18 more

Today it means

verb To make altruistic.

Sources

Sources: Wiktionary, “altruize”. 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 *h₂el- / altruize