English
amaurosis
Amaurosis comes from Ancient Greek ἀμαύρωσις ‘dimming, obscuring, amaurosis’, and goes back to Proto-Indo-European *meh₂-.
- Proto-Indo-Europeanc. 4500–2500 BCE*meh₂-root as named
- Ancient Greekc. 800–300 BCEᾰ̓μαυρόω
- Ancient Greek, derivedc. 800–300 BCEἀμαύρωσιςamaúrōsis‘dimming, obscuring, amaurosis’
- New Latinc. 1500–1900amaurōsis
- Englishearliest quotation 2008amaurosis
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*meh₂-root as named
- Ancient Greekc. 800–300 BCEᾰ̓μαυρόω
- Ancient Greek, derivedc. 800–300 BCEἀμαύρωσιςamaúrōsis‘dimming, obscuring, amaurosis’
- New Latinc. 1500–1900amaurōsis
- 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