Etymograph

English

hiation

Hiation comes from Proto-Indo-European *ǵʰeh₂- ‘to yawn, gape’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰeh₂-1‘to yawn, gape’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰh₂iéh₂yeti1reconstructed
  3. Proto-Italicc. 1500–700 BCE*hiāō1reconstructed
  4. Latinc. 75 BCE–200 CEhiō1
  5. English1500–presenthiate1
  6. Englishearliest quotation 1650hiation1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English hiation
  2. Earliest quotation in Wiktionary’s entry: 1650, Thomas Browne, Pseudodoxia Epidemica: […]: “the continual hiation or holding open its mouth, which…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰeh₂-Wiktionary, English hiation‘to yawn, gape’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰh₂iéh₂yetiWiktionary, English hiationreconstructed
  3. Proto-Italicc. 1500–700 BCE*hiāōWiktionary, English hiationreconstructed
  4. Latinc. 75 BCE–200 CEhiōWiktionary, English hiation
  5. English1500–presenthiateWiktionary, English hiation
  6. Englishearliest quotation 1650hiationWiktionary, English hiation. Earliest quotation in Wiktionary’s entry: 1650, Thomas Browne, Pseudodoxia Epidemica: […]: “the continual hiation or holding open its mouth, which…”

Linked words

through Proto-Indo-European *ǵʰeh₂- ‘to yawn, gape’

goal, gas, gap, chaos, gum, gill, chaotic, gab, gape, 9 more

through Latin hiō

hiatus, 5 more

Today it means

noun The act of gaping; a wide open mouth.

Sources

Sources: Wiktionary, “hiation”. 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 *ǵʰeh₂- / hiation