English
lumirhodopsin
Lumirhodopsin comes from Latin lumen ‘light’, and goes back to Proto-Indo-European *lewk- ‘bright’.
- Proto-Indo-Europeanc. 4500–2500 BCE*lewk-‘bright’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*léwksmn̥reconstructed
- Proto-Italicc. 1500–700 BCE*louksmənreconstructed
- Latinc. 75 BCE–200 CElumen‘light’
- Englishtodaylumirhodopsin
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*lewk-‘bright’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*léwksmn̥reconstructed
- Proto-Italicc. 1500–700 BCE*louksmənreconstructed
- Latinc. 75 BCE–200 CElumen‘light’
- Englishtodaylumirhodopsin
Linked words
through Proto-Indo-European *lewk- ‘bright’
light, low, link, los, lucy, ounce, lunar, lea, luna, lux, lucid, translucent, lynx, luce, loach, lune, leucine, lum, luminary, 74 more
through Latin lumen ‘light’
illumination, illuminate, lumen, luminous, lumia, luminosity, luminescent, luminal, 18 more
Today it means
noun A pigment formed when rhodopsin is irradiated with light; it undergoes further degradation to retinal and opsin
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *lewk- / lumirhodopsin