Etymograph

English

trianion

Trianion comes from Proto-Hellenic *éimi ‘to go’, from Proto-Indo-European *h₁éyti ‘to go, to be going’, and ultimately from *h₁ey- ‘to go’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁ey-1‘to go’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₁éyti1‘to go, to be going’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*éimi1‘to go’reconstructed
  4. Ancient Greekc. 800–300 BCEῐ̓όν1ĭón
  5. Ancient Greekc. 800–300 BCEἀνῐόν1anĭón
  6. English1500–presentanion1
  7. Englishearliest quotation 1974trianion1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English trianion
  2. Earliest quotation in Wiktionary’s entry: 1974, John H. Block, Inorganic medicinal and pharmaceutical chemistry: “In fact, very little of the phosphate trianion,P0₄⁻³, is…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁ey-Wiktionary, English trianion‘to go’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₁éytiWiktionary, English trianion‘to go, to be going’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*éimiWiktionary, English trianion‘to go’reconstructed
  4. Ancient Greekc. 800–300 BCEῐ̓όνWiktionary, English trianionĭón
  5. Ancient Greekc. 800–300 BCEἀνῐόνWiktionary, English trianionanĭón
  6. English1500–presentanionWiktionary, English trianion
  7. Englishearliest quotation 1974trianionWiktionary, English trianion. Earliest quotation in Wiktionary’s entry: 1974, John H. Block, Inorganic medicinal and pharmaceutical chemistry: “In fact, very little of the phosphate trianion,P0₄⁻³, is…”

Linked words

through Proto-Indo-European *h₁ey- ‘to go’

eid, itinerary, iter, 23 more

through Proto-Indo-European *h₁éyti ‘to go, to be going’

initial, initiative, transition, ambitious, ambient, ambition, initiate, eyre, initiation, sedition, ambit, initiator, ambiance, 18 more

through Proto-Hellenic *éimi ‘to go’

ion, isthmus, cation, 14 more

through English anion

anionic, 13 more

Today it means

noun An anion that has three negative charges

Sources

Sources: Wiktionary, “trianion”. 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 *h₁ey- / trianion

Shirt and support for this word