Etymograph

English

chlorella

Chlorella comes from Latin chlōrus ‘pale’, and goes back to Proto-Indo-European *ǵʰelh₃- ‘green, yellow’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰelh₃-‘green, yellow’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*ǵʰl̥h₃rósreconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*kʰlōrós‘greenish-yellow, pale green’reconstructed
  4. Ancient Greekc. 800–300 BCEχλωρόςkhlōrós‘pale green’
  5. Latinc. 75 BCE–200 CEchlōrus‘pale’
  6. New Latinc. 1500–1900chlorella
  7. mul-taxmodernChlorella
  8. Englishearliest quotation 2002chlorella

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰelh₃-‘green, yellow’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*ǵʰl̥h₃rósreconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*kʰlōrós‘greenish-yellow, pale green’reconstructed
  4. Ancient Greekc. 800–300 BCEχλωρόςkhlōrós‘pale green’
  5. Latinc. 75 BCE–200 CEchlōrus‘pale’
  6. New Latinc. 1500–1900chlorella
  7. mul-taxmodernChlorella
  8. Englishearliest quotation 2002chlorella

Earliest quotation: 2002, Paul Pitchford, North Atlantic Books: “Many people use chlorella for a nutrient factor isolated…”

The story

A use as a common noun of the genus name taxonomic name Chlorella, from New Latin chlorella, from chlōrus + -ella (‘diminutive’), from Ancient Greek χλωρός (khlōrós, “pale green”).

Linked words

through Proto-Indo-European *ǵʰelh₃- ‘green, yellow’

gold, fell, yellow, cholera, gall, yolk, gullible, felon, glib, gild, choline, zloty, 29 more

Today it means

noun Any single-celled green alga, of the genus Chlorella, found especially in stagnant water; now produced commercially as a food supplement.

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

Etymograph / Proto-Indo-European *ǵʰelh₃- / chlorella