Etymograph

English

goniometer

Goniometer comes from Ancient Greek μέτρον ‘something used to measure: measure, rule, weight’, from Proto-Hellenic *gónu ‘knee’, and ultimately from Proto-Indo-European *ǵónu.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵónu‘knee’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*gónu‘knee’reconstructed
  3. Proto-Hellenic, derivedc. 2200–1600 BCE*gonwíareconstructed
  4. Ancient Greekc. 800–300 BCEγωνίᾱgōníā
  5. Ancient Greek, derivedc. 800–300 BCEμέτρονmétron‘something used to measure: measure, rule, weight’
  6. Englishtodaygoniometer

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵónu‘knee’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*gónu‘knee’reconstructed
  3. Proto-Hellenic, derivedc. 2200–1600 BCE*gonwíareconstructed
  4. Ancient Greekc. 800–300 BCEγωνίᾱgōníā
  5. Ancient Greek, derivedc. 800–300 BCEμέτρονmétron‘something used to measure: measure, rule, weight’
  6. Englishtodaygoniometer

A compound of gonio- + -meter

Proto-Indo-European *ǵónu ‘knee’

Proto-Hellenic *gónu ‘knee’

Proto-Hellenic *gonwía

Ancient Greek γωνία ‘angle’

English gonio-

Linked words

through Proto-Indo-European *ǵónu ‘knee’

knit, kneel, 22 more

through Proto-Hellenic *gonwía

gon, 9 more

through Ancient Greek μέτρον ‘something used to measure: measure, rule, weight’

metric, metre, parameter, asymmetry, madder, metrology, metra, 43 more

Today it means

noun A device used to measure the angles of joints commonly used in orthopedics and physical therapy.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *ǵónu / goniometer

Shirt and support for this word