Etymograph

English

gonio-

Gonio- comes from Ancient Greek γωνία ‘angle’, from Proto-Hellenic *gónu ‘knee’, and ultimately from Proto-Indo-European *ǵónu.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵónu1‘knee’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*gónu2‘knee’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*gonwía2reconstructed
  4. Ancient Greekc. 800–300 BCEγωνία3gōnía‘angle’
  5. Englishearliest quotation 1997gonio-3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Hellenic *gónu
  2. 2 Wiktionary, Ancient Greek γωνία
  3. 3 Wiktionary, English gonio-
  4. Earliest quotation in Wiktionary’s entry: 1997, Thomas Pynchon, Mason & Dixon: “He had turn’d the same covetous Angles as the…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵónuWiktionary, Proto-Hellenic *gónu‘knee’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*gónuWiktionary, Ancient Greek γωνία‘knee’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*gonwíaWiktionary, Ancient Greek γωνίαreconstructed
  4. Ancient Greekc. 800–300 BCEγωνίαWiktionary, English gonio-gōnía‘angle’
  5. Englishearliest quotation 1997gonio-Wiktionary, English gonio-. Earliest quotation in Wiktionary’s entry: 1997, Thomas Pynchon, Mason & Dixon: “He had turn’d the same covetous Angles as the…”

Linked words

through Proto-Indo-European *ǵónu ‘knee’

knit, kneel, 23 more

through Ancient Greek γωνία ‘angle’

gon, 1 more

Today it means

prefix angle.

Sources

Sources: Wiktionary, “gonio-”; the older steps come from the Wiktionary entries for Proto-Hellenic *gónu, Ancient Greek γωνία. 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 *ǵónu / gonio-