English
leuco
Leuco comes from Ancient Greek λευκός ‘white’, and goes back to Proto-Indo-European *lewk-.
- Proto-Indo-Europeanc. 4500–2500 BCE*lewk-‘white’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*leukós‘white’reconstructed
- Ancient Greekc. 800–300 BCEλευκόςleukós‘white’
- Englishearliest quotation 1982leuco
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*lewk-‘white’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*leukós‘white’reconstructed
- Ancient Greekc. 800–300 BCEλευκόςleukós‘white’
- Englishearliest quotation 1982leuco
Earliest quotation: 1982, Masashi Kikuchi, Kinetic Studies on the Amination of Leucoquinizarin: “The amination mechanism of leucoquinizarin was investigated on the…”
Linked words
through Proto-Indo-European *lewk- ‘white’
light, low, link, los, ounce, lunar, lucy, luna, illumination, lux, illuminate, luminous, lea, lumen, lynx, translucent, lucid, luminosity, lumia, luce, lum, lune, loach, luminescent, luminary, luminal, 74 more
through Ancient Greek λευκός ‘white’
Today it means
adj Of or relating to leuco dyes and their related compounds.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *lewk- / leuco