Etymograph

English

allostasis

Allostasis comes from Ancient Greek ἄλλος ‘the other, all others, all besides, the rest’, and goes back to Proto-Indo-European *h₂el-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂el-1‘beyond, other’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₂élyos2‘other, another’reconstructed
  3. Ancient Greekc. 800–300 BCEἄλλος3állos‘the other, all others, all besides, the rest’
  4. Englishearliest quotation 2009allostasis3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Indo-European *h₂élyos
  2. 2 Wiktionary, Ancient Greek ἄλλος
  3. 3 Wiktionary, English allostasis
  4. Earliest quotation in Wiktionary’s entry: 2009, Natalie Angier, Brain Is a Co-Conspirator in a Vicious Stress Loop: “This system of so-called allostasis, of maintaining control through…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂el-Wiktionary, Proto-Indo-European *h₂élyos‘beyond, other’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₂élyosWiktionary, Ancient Greek ἄλλος‘other, another’reconstructed
  3. Ancient Greekc. 800–300 BCEἄλλοςWiktionary, English allostasisállos‘the other, all others, all besides, the rest’
  4. Englishearliest quotation 2009allostasisWiktionary, English allostasis. Earliest quotation in Wiktionary’s entry: 2009, Natalie Angier, Brain Is a Co-Conspirator in a Vicious Stress Loop: “This system of so-called allostasis, of maintaining control through…”

Linked words

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

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

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

else, alien, alternate, adultery, altercation, alibi, altruism, alternation, 31 more

through Ancient Greek ἄλλος ‘the other, all others, all besides, the rest’

parallax, 6 more

Today it means

noun The process of achieving stability, or homeostasis, in the body, through physiological or behavioral change.

Sources

Sources: Wiktionary, “allostasis”; the older steps come from the Wiktionary entries for Proto-Indo-European *h₂élyos, Ancient Greek ἄλλος. 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- / allostasis