Etymograph

English

lumirubin

Lumirubin comes from Latin lūmen ‘light’, and goes back to Proto-Indo-European *lewk- ‘bright’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*lewk-‘bright’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*léwksmn̥reconstructed
  3. Proto-Italicc. 1500–700 BCE*louksmənreconstructed
  4. Latinc. 75 BCE–200 CElūmen‘light’
  5. Englishearliest quotation 2016lumirubin

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*lewk-‘bright’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*léwksmn̥reconstructed
  3. Proto-Italicc. 1500–700 BCE*louksmənreconstructed
  4. Latinc. 75 BCE–200 CElūmen‘light’
  5. Englishearliest quotation 2016lumirubin

Earliest quotation: 2016, The Biological Effects of Bilirubin Photoisomers: “Its binding constant to albumin was much lower when…”

Linked words

through Proto-Indo-European *lewk- ‘bright’

light, low, los, link, lucy, ounce, lea, lunar, luna, lux, translucent, lucid, lynx, luce, loach, lune, leucine, lum, luminary, 74 more

through Latin lūmen ‘light’

illumination, illuminate, lumen, luminous, luminosity, lumia, luminescent, luminal, 18 more

Today it means

noun A structural isomer of bilirubin, formed during phototherapy used to treat neonatal jaundice.

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

Etymograph / Proto-Indo-European *lewk- / lumirubin