Etymograph

English

rotifer

Rotifer comes from Latin rota ‘wheel’, and goes back to Proto-Indo-European *Hreth₂- ‘to run, roll’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*Hreth₂-‘to run, roll’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*Hróth₂-eh₂reconstructed
  3. Proto-Italicc. 1500–700 BCE*rotāreconstructed
  4. Latinc. 75 BCE–200 CErota‘wheel’
  5. Englishtodayrotifer

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*Hreth₂-‘to run, roll’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*Hróth₂-eh₂reconstructed
  3. Proto-Italicc. 1500–700 BCE*rotāreconstructed
  4. Latinc. 75 BCE–200 CErota‘wheel’
  5. Englishtodayrotifer

Linked words

through Proto-Indo-European *Hreth₂- ‘to run, roll’

rash, rotate, 13 more

through Proto-Italic *rotā

rotavirus, 11 more

through Latin rota ‘wheel’

roll, rotation, rodeo, rotary, rota, rueda, rotund, 12 more

Today it means

noun Any of many minute aquatic multicellular organisms, of the phylum Rotifera, that have a ring of cilia resembling a wheel.

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

Etymograph / Proto-Indo-European *Hreth₂- / rotifer