Etymograph

English

amaurosis

Amaurosis comes from Ancient Greek ἀμαύρωσις ‘dimming, obscuring, amaurosis’, and goes back to Proto-Indo-European *meh₂-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*meh₂-root as named
  2. Ancient Greekc. 800–300 BCEᾰ̓μαυρόω
  3. Ancient Greek, derivedc. 800–300 BCEἀμαύρωσιςamaúrōsis‘dimming, obscuring, amaurosis’
  4. New Latinc. 1500–1900amaurōsis
  5. Englishearliest quotation 2008amaurosis

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*meh₂-root as named
  2. Ancient Greekc. 800–300 BCEᾰ̓μαυρόω
  3. Ancient Greek, derivedc. 800–300 BCEἀμαύρωσιςamaúrōsis‘dimming, obscuring, amaurosis’
  4. New Latinc. 1500–1900amaurōsis
  5. Englishearliest quotation 2008amaurosis

Earliest quotation: 2008, Albert M. Maguire, Safety and Efficacy of Gene Transfer for Leber's Congenital : “Leber's congenital amaurosis (LCA) is a group of inherited…”

Linked words

through Proto-Indo-European *meh₂-

most, mo, mature, mistress, mat, maturity, maturation, matinee, maduro, demure, magisterial, matin, mañana, 19 more

Today it means

noun Any form of blindness that is accompanied by no obvious change to the eye; often the result of disease of the optic nerve.

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

Etymograph / Proto-Indo-European *meh₂- / amaurosis